diff --git a/src/libs/utils/commandline.h b/src/libs/utils/commandline.h
index 23585adb8af..c3aa17c7d85 100644
--- a/src/libs/utils/commandline.h
+++ b/src/libs/utils/commandline.h
@@ -55,7 +55,7 @@ public:
     //! Append already quoted arguments to a shell command
     static void addArgs(QString *args, const QString &inArgs);
     //! Split a shell command into separate arguments.
-    static QStringList splitArgs(const QString &cmd, OsType osType = HostOsInfo::hostOs(),
+    static QStringList splitArgs(const QString &cmd, OsType osType,
                                  bool abortOnMeta = false, SplitError *err = nullptr,
                                  const Environment *env = nullptr, const QString *pwd = nullptr);
     //! Safely replace the expandos in a shell command
diff --git a/src/plugins/autotoolsprojectmanager/makefileparser.cpp b/src/plugins/autotoolsprojectmanager/makefileparser.cpp
index 09fbd666479..9bbccdb86ad 100644
--- a/src/plugins/autotoolsprojectmanager/makefileparser.cpp
+++ b/src/plugins/autotoolsprojectmanager/makefileparser.cpp
@@ -13,6 +13,8 @@
 #include <QFile>
 #include <QFileInfo>
 
+using namespace Utils;
+
 namespace AutotoolsProjectManager::Internal {
 
 MakefileParser::MakefileParser(const QString &makefile) : m_makefile(makefile)
@@ -423,7 +425,7 @@ QStringList MakefileParser::parseTermsAfterAssign(const QString &line)
     if (assignPos <= 0 || assignPos >= line.size())
         return QStringList();
 
-    const QStringList parts = Utils::ProcessArgs::splitArgs(line.mid(assignPos));
+    const QStringList parts = ProcessArgs::splitArgs(line.mid(assignPos), HostOsInfo::hostOs());
     QStringList result;
     for (int i = 0; i < parts.count(); ++i) {
         const QString cur = parts.at(i);
diff --git a/src/plugins/baremetal/debugservers/gdb/openocdgdbserverprovider.cpp b/src/plugins/baremetal/debugservers/gdb/openocdgdbserverprovider.cpp
index 334f31132cb..03933cff50e 100644
--- a/src/plugins/baremetal/debugservers/gdb/openocdgdbserverprovider.cpp
+++ b/src/plugins/baremetal/debugservers/gdb/openocdgdbserverprovider.cpp
@@ -64,7 +64,7 @@ QString OpenOcdGdbServerProvider::channelString() const
         // otherwise running will be stuck.
         CommandLine cmd = command();
         QStringList args = {"|", cmd.executable().toString()};
-        for (const QString &a : ProcessArgs::splitArgs(cmd.arguments())) {
+        for (const QString &a : ProcessArgs::splitArgs(cmd.arguments(), HostOsInfo::hostOs())) {
             if (a.startsWith('\"') && a.endsWith('\"'))
                 args << a;
             else
diff --git a/src/plugins/clangtools/clangtoolsutils.cpp b/src/plugins/clangtools/clangtoolsutils.cpp
index 01dcb614b5a..acfd768797b 100644
--- a/src/plugins/clangtools/clangtoolsutils.cpp
+++ b/src/plugins/clangtools/clangtoolsutils.cpp
@@ -284,7 +284,7 @@ static QStringList extraOptions(const QString &envVar)
     if (!qtcEnvironmentVariableIsSet(envVar))
         return QStringList();
     QString arguments = qtcEnvironmentVariable(envVar);
-    return Utils::ProcessArgs::splitArgs(arguments);
+    return ProcessArgs::splitArgs(arguments, HostOsInfo::hostOs());
 }
 
 QStringList extraClangToolsPrependOptions()
diff --git a/src/plugins/cmakeprojectmanager/cmakebuildconfiguration.cpp b/src/plugins/cmakeprojectmanager/cmakebuildconfiguration.cpp
index 7b398fac5be..07780d72e9f 100644
--- a/src/plugins/cmakeprojectmanager/cmakebuildconfiguration.cpp
+++ b/src/plugins/cmakeprojectmanager/cmakebuildconfiguration.cpp
@@ -643,7 +643,7 @@ void CMakeBuildSettingsWidget::updateInitialCMakeArguments()
     // As the user would expect to have e.g. "--preset" from "Initial Configuration"
     // to "Current Configuration" as additional parameters
     m_buildSystem->setAdditionalCMakeArguments(ProcessArgs::splitArgs(
-        bc->aspect<InitialCMakeArgumentsAspect>()->value()));
+        bc->aspect<InitialCMakeArgumentsAspect>()->value(), HostOsInfo::hostOs()));
 }
 
 void CMakeBuildSettingsWidget::kitCMakeConfiguration()
@@ -823,9 +823,10 @@ void CMakeBuildSettingsWidget::updateFromKit()
 
     // Then the additional parameters
     const QStringList additionalKitCMake = ProcessArgs::splitArgs(
-        CMakeConfigurationKitAspect::additionalConfiguration(k));
+        CMakeConfigurationKitAspect::additionalConfiguration(k), HostOsInfo::hostOs());
     const QStringList additionalInitialCMake = ProcessArgs::splitArgs(
-        m_buildSystem->buildConfiguration()->aspect<InitialCMakeArgumentsAspect>()->value());
+        m_buildSystem->buildConfiguration()->aspect<InitialCMakeArgumentsAspect>()->value(),
+        HostOsInfo::hostOs());
 
     QStringList mergedArgumentList;
     std::set_union(additionalInitialCMake.begin(),
@@ -1725,7 +1726,8 @@ void CMakeBuildSystem::setInitialCMakeArguments(const QStringList &args)
 
 QStringList CMakeBuildSystem::additionalCMakeArguments() const
 {
-    return ProcessArgs::splitArgs(buildConfiguration()->aspect<AdditionalCMakeOptionsAspect>()->value());
+    return ProcessArgs::splitArgs(buildConfiguration()->aspect<AdditionalCMakeOptionsAspect>()->value(),
+                                  HostOsInfo::hostOs());
 }
 
 void CMakeBuildSystem::setAdditionalCMakeArguments(const QStringList &args)
@@ -1748,7 +1750,8 @@ void CMakeBuildSystem::filterConfigArgumentsFromAdditionalCMakeArguments()
     // which is already part of the CMake variables and should not be also
     // in the addtional CMake options
     const QStringList arguments = ProcessArgs::splitArgs(
-        buildConfiguration()->aspect<AdditionalCMakeOptionsAspect>()->value());
+        buildConfiguration()->aspect<AdditionalCMakeOptionsAspect>()->value(),
+        HostOsInfo::hostOs());
     QStringList unknownOptions;
     const CMakeConfig config = CMakeConfig::fromArguments(arguments, unknownOptions);
 
@@ -2144,7 +2147,7 @@ const QStringList InitialCMakeArgumentsAspect::allValues() const
                                                              return ci.toArgument(nullptr);
                                                          });
 
-    initialCMakeArguments.append(ProcessArgs::splitArgs(value()));
+    initialCMakeArguments.append(ProcessArgs::splitArgs(value(), HostOsInfo::hostOs()));
 
     return initialCMakeArguments;
 }
diff --git a/src/plugins/cmakeprojectmanager/fileapidataextractor.cpp b/src/plugins/cmakeprojectmanager/fileapidataextractor.cpp
index 9293831fdcf..29ace13a6bd 100644
--- a/src/plugins/cmakeprojectmanager/fileapidataextractor.cpp
+++ b/src/plugins/cmakeprojectmanager/fileapidataextractor.cpp
@@ -245,7 +245,7 @@ QList<CMakeBuildTarget> generateBuildTargets(const PreprocessedData &input,
                         continue;
 
                     // CMake sometimes mixes several shell-escaped pieces into one fragment. Disentangle that again:
-                    const QStringList parts = ProcessArgs::splitArgs(f.fragment);
+                    const QStringList parts = ProcessArgs::splitArgs(f.fragment, HostOsInfo::hostOs());
                     for (QString part : parts) {
                         // Library search paths that are added with target_link_directories are added as
                         // -LIBPATH:... (Windows/MSVC), or
@@ -306,7 +306,7 @@ static QStringList splitFragments(const QStringList &fragments)
 {
     QStringList result;
     for (const QString &f : fragments) {
-        result += ProcessArgs::splitArgs(f);
+        result += ProcessArgs::splitArgs(f, HostOsInfo::hostOs());
     }
     return result;
 }
diff --git a/src/plugins/coreplugin/fileutils.cpp b/src/plugins/coreplugin/fileutils.cpp
index 116fe244f2f..929ebfe61d3 100644
--- a/src/plugins/coreplugin/fileutils.cpp
+++ b/src/plugins/coreplugin/fileutils.cpp
@@ -76,7 +76,8 @@ void FileUtils::showInGraphicalShell(QWidget *parent, const FilePath &pathIn)
         const QString folder = fileInfo.isDir() ? fileInfo.absoluteFilePath() : fileInfo.filePath();
         const QString app = UnixUtils::fileBrowser(ICore::settings());
         QStringList browserArgs = ProcessArgs::splitArgs(
-                    UnixUtils::substituteFileBrowserParameters(app, folder));
+                    UnixUtils::substituteFileBrowserParameters(app, folder),
+                    HostOsInfo::hostOs());
         QString error;
         if (browserArgs.isEmpty()) {
             error = Tr::tr("The command for file browser is not set.");
diff --git a/src/plugins/debugger/lldb/lldbengine.cpp b/src/plugins/debugger/lldb/lldbengine.cpp
index e8c3c361383..38fe8c6b01f 100644
--- a/src/plugins/debugger/lldb/lldbengine.cpp
+++ b/src/plugins/debugger/lldb/lldbengine.cpp
@@ -267,7 +267,8 @@ void LldbEngine::handleLldbStarted()
     cmd2.arg("nativemixed", isNativeMixedActive());
     cmd2.arg("workingdirectory", rp.inferior.workingDirectory.path());
     cmd2.arg("environment", rp.inferior.environment.toStringList());
-    cmd2.arg("processargs", toHex(ProcessArgs::splitArgs(rp.inferior.command.arguments()).join(QChar(0))));
+    cmd2.arg("processargs", toHex(ProcessArgs::splitArgs(rp.inferior.command.arguments(),
+                                                         HostOsInfo::hostOs()).join(QChar(0))));
     cmd2.arg("platform", rp.platform);
     cmd2.arg("symbolfile", rp.symbolFile.path());
 
diff --git a/src/plugins/genericprojectmanager/genericproject.cpp b/src/plugins/genericprojectmanager/genericproject.cpp
index e819235c9b6..c219b88b2eb 100644
--- a/src/plugins/genericprojectmanager/genericproject.cpp
+++ b/src/plugins/genericprojectmanager/genericproject.cpp
@@ -400,7 +400,7 @@ static QStringList readFlags(const QString &filePath)
         return QStringList();
     QStringList flags;
     for (const auto &line : lines)
-        flags.append(ProcessArgs::splitArgs(line));
+        flags.append(ProcessArgs::splitArgs(line, HostOsInfo::hostOs()));
     return flags;
 }
 
diff --git a/src/plugins/ios/iosbuildstep.cpp b/src/plugins/ios/iosbuildstep.cpp
index eb6664c155c..e4771d97e84 100644
--- a/src/plugins/ios/iosbuildstep.cpp
+++ b/src/plugins/ios/iosbuildstep.cpp
@@ -101,7 +101,8 @@ QWidget *IosBuildStep::createConfigWidget()
     updateDetails();
 
     connect(buildArgumentsTextEdit, &QPlainTextEdit::textChanged, this, [=] {
-        setBaseArguments(ProcessArgs::splitArgs(buildArgumentsTextEdit->toPlainText()));
+        setBaseArguments(ProcessArgs::splitArgs(buildArgumentsTextEdit->toPlainText(),
+                                                HostOsInfo::hostOs()));
         resetDefaultsButton->setEnabled(!m_useDefaultArguments);
         updateDetails();
     });
@@ -113,7 +114,8 @@ QWidget *IosBuildStep::createConfigWidget()
     });
 
     connect(extraArgumentsLineEdit, &QLineEdit::editingFinished, this, [=] {
-        setExtraArguments(ProcessArgs::splitArgs(extraArgumentsLineEdit->text()));
+        setExtraArguments(ProcessArgs::splitArgs(extraArgumentsLineEdit->text(),
+                                                 HostOsInfo::hostOs()));
     });
 
     connect(ProjectExplorerPlugin::instance(), &ProjectExplorerPlugin::settingsChanged,
diff --git a/src/plugins/ios/iosdsymbuildstep.cpp b/src/plugins/ios/iosdsymbuildstep.cpp
index 54481ded9b7..33ff0e7e202 100644
--- a/src/plugins/ios/iosdsymbuildstep.cpp
+++ b/src/plugins/ios/iosdsymbuildstep.cpp
@@ -242,7 +242,8 @@ QWidget *IosDsymBuildStep::createConfigWidget()
 
     connect(argumentsTextEdit, &QPlainTextEdit::textChanged, this,
             [this, argumentsTextEdit, resetDefaultsButton, updateDetails] {
-        setArguments(Utils::ProcessArgs::splitArgs(argumentsTextEdit->toPlainText()));
+        setArguments(ProcessArgs::splitArgs(argumentsTextEdit->toPlainText(),
+                                            HostOsInfo::hostOs()));
         resetDefaultsButton->setEnabled(!isDefault());
         updateDetails();
     });
diff --git a/src/plugins/mesonprojectmanager/mesonbuildconfiguration.cpp b/src/plugins/mesonprojectmanager/mesonbuildconfiguration.cpp
index a24a1f52bf5..bd90ee818c6 100644
--- a/src/plugins/mesonprojectmanager/mesonbuildconfiguration.cpp
+++ b/src/plugins/mesonprojectmanager/mesonbuildconfiguration.cpp
@@ -91,7 +91,8 @@ void MesonBuildConfiguration::build(const QString &target)
 
 QStringList MesonBuildConfiguration::mesonConfigArgs()
 {
-    return Utils::ProcessArgs::splitArgs(m_parameters) + QStringList{QString("-Dbuildtype=%1").arg(mesonBuildTypeName(m_buildType))};
+    return Utils::ProcessArgs::splitArgs(m_parameters, HostOsInfo::hostOs())
+        + QStringList{QString("-Dbuildtype=%1").arg(mesonBuildTypeName(m_buildType))};
 }
 
 const QString &MesonBuildConfiguration::parameters() const
diff --git a/src/plugins/nim/project/nimcompilerbuildstep.cpp b/src/plugins/nim/project/nimcompilerbuildstep.cpp
index 3ca151def72..87f93e53e2a 100644
--- a/src/plugins/nim/project/nimcompilerbuildstep.cpp
+++ b/src/plugins/nim/project/nimcompilerbuildstep.cpp
@@ -76,7 +76,7 @@ QWidget *NimCompilerBuildStep::createConfigWidget()
 
     auto updateUi = [=] {
         const CommandLine cmd = commandLine();
-        const QStringList parts = ProcessArgs::splitArgs(cmd.toUserOutput());
+        const QStringList parts = ProcessArgs::splitArgs(cmd.toUserOutput(), HostOsInfo::hostOs());
 
         commandTextEdit->setText(parts.join(QChar::LineFeed));
 
diff --git a/src/plugins/perfprofiler/perfsettings.cpp b/src/plugins/perfprofiler/perfsettings.cpp
index 8175dece0ea..9bea76b3e29 100644
--- a/src/plugins/perfprofiler/perfsettings.cpp
+++ b/src/plugins/perfprofiler/perfsettings.cpp
@@ -122,7 +122,7 @@ QStringList PerfSettings::perfRecordArguments() const
                         "--call-graph", callgraphArg,
                         sampleMode.itemValue().toString(),
                         QString::number(period.value())})
-         + ProcessArgs::splitArgs(extraArguments.value());
+         + ProcessArgs::splitArgs(extraArguments.value(), HostOsInfo::hostOs());
 }
 
 void PerfSettings::resetToDefault()
diff --git a/src/plugins/projectexplorer/devicesupport/desktopdevice.cpp b/src/plugins/projectexplorer/devicesupport/desktopdevice.cpp
index a09c8bac76d..566b669c393 100644
--- a/src/plugins/projectexplorer/devicesupport/desktopdevice.cpp
+++ b/src/plugins/projectexplorer/devicesupport/desktopdevice.cpp
@@ -78,7 +78,7 @@ static void startTerminalEmulator(const QString &workingDir, const Environment &
     const TerminalCommand term = TerminalCommand::terminalEmulator();
     QProcess process;
     process.setProgram(term.command.nativePath());
-    process.setArguments(ProcessArgs::splitArgs(term.openArgs));
+    process.setArguments(ProcessArgs::splitArgs(term.openArgs, HostOsInfo::hostOs()));
     process.setProcessEnvironment(env.toProcessEnvironment());
     process.setWorkingDirectory(workingDir);
     process.startDetached();
diff --git a/src/plugins/projectexplorer/gcctoolchain.cpp b/src/plugins/projectexplorer/gcctoolchain.cpp
index d2449bd69ae..cac1905f111 100644
--- a/src/plugins/projectexplorer/gcctoolchain.cpp
+++ b/src/plugins/projectexplorer/gcctoolchain.cpp
@@ -1385,8 +1385,10 @@ void GccToolChainConfigWidget::setFromToolchain()
     QSignalBlocker blocker(this);
     auto tc = static_cast<GccToolChain *>(toolChain());
     m_compilerCommand->setFilePath(tc->compilerCommand());
-    m_platformCodeGenFlagsLineEdit->setText(ProcessArgs::joinArgs(tc->platformCodeGenFlags()));
-    m_platformLinkerFlagsLineEdit->setText(ProcessArgs::joinArgs(tc->platformLinkerFlags()));
+    m_platformCodeGenFlagsLineEdit->setText(ProcessArgs::joinArgs(tc->platformCodeGenFlags(),
+                                                                  HostOsInfo::hostOs()));
+    m_platformLinkerFlagsLineEdit->setText(ProcessArgs::joinArgs(tc->platformLinkerFlags(),
+                                                                 HostOsInfo::hostOs()));
     if (m_abiWidget) {
         m_abiWidget->setAbis(tc->supportedAbis(), tc->targetAbi());
         if (!m_isReadOnly && !m_compilerCommand->filePath().toString().isEmpty())
diff --git a/src/plugins/qmakeprojectmanager/makefileparse.cpp b/src/plugins/qmakeprojectmanager/makefileparse.cpp
index e9d8c2878e7..32193a4dbdc 100644
--- a/src/plugins/qmakeprojectmanager/makefileparse.cpp
+++ b/src/plugins/qmakeprojectmanager/makefileparse.cpp
@@ -479,8 +479,8 @@ void QmakeProjectManagerPlugin::testMakefileParser()
     MakeFileParse parser("/tmp/something", MakeFileParse::Mode::FilterKnownConfigValues);
     parser.parseCommandLine(command, project);
 
-    QCOMPARE(ProcessArgs::splitArgs(parser.unparsedArguments()),
-             ProcessArgs::splitArgs(unparsedArguments));
+    QCOMPARE(ProcessArgs::splitArgs(parser.unparsedArguments(), HostOsInfo::hostOs()),
+             ProcessArgs::splitArgs(unparsedArguments, HostOsInfo::hostOs()));
     QCOMPARE(parser.effectiveBuildConfig({}), effectiveBuildConfig);
 
     const QMakeStepConfig qmsc = parser.config();
diff --git a/src/plugins/qnx/qnxdevice.cpp b/src/plugins/qnx/qnxdevice.cpp
index ad205196ed7..f1770a55222 100644
--- a/src/plugins/qnx/qnxdevice.cpp
+++ b/src/plugins/qnx/qnxdevice.cpp
@@ -48,7 +48,7 @@ QnxProcessImpl::QnxProcessImpl(const LinuxDevice *linuxDevice)
 
 QString QnxProcessImpl::fullCommandLine(const CommandLine &commandLine) const
 {
-    QStringList args = ProcessArgs::splitArgs(commandLine.arguments());
+    QStringList args = ProcessArgs::splitArgs(commandLine.arguments(), HostOsInfo::hostOs());
     args.prepend(commandLine.executable().toString());
     const QString cmd = ProcessArgs::createUnixArgs(args).toString();
 
diff --git a/src/plugins/remotelinux/makeinstallstep.cpp b/src/plugins/remotelinux/makeinstallstep.cpp
index de7f9a336e6..8f51c0b827c 100644
--- a/src/plugins/remotelinux/makeinstallstep.cpp
+++ b/src/plugins/remotelinux/makeinstallstep.cpp
@@ -261,7 +261,7 @@ void MakeInstallStep::updateFromCustomCommandLineAspect()
     const StringAspect * const aspect = customCommandLineAspect();
     if (!aspect->isChecked())
         return;
-    const QStringList tokens = ProcessArgs::splitArgs(aspect->value());
+    const QStringList tokens = ProcessArgs::splitArgs(aspect->value(), HostOsInfo::hostOs());
     setMakeCommand(tokens.isEmpty() ? FilePath() : FilePath::fromString(tokens.first()));
     setUserArguments(ProcessArgs::joinArgs(tokens.mid(1)));
 }
diff --git a/src/plugins/valgrind/callgrindengine.cpp b/src/plugins/valgrind/callgrindengine.cpp
index 00de8b42fd8..51ec76a1305 100644
--- a/src/plugins/valgrind/callgrindengine.cpp
+++ b/src/plugins/valgrind/callgrindengine.cpp
@@ -86,7 +86,7 @@ QStringList CallgrindToolRunner::toolArguments() const
 
     arguments << "--callgrind-out-file=" + m_valgrindOutputFile.path();
 
-    arguments << ProcessArgs::splitArgs(m_settings.callgrindArguments.value());
+    arguments << ProcessArgs::splitArgs(m_settings.callgrindArguments.value(), HostOsInfo::hostOs());
 
     return arguments;
 }
diff --git a/src/plugins/valgrind/memchecktool.cpp b/src/plugins/valgrind/memchecktool.cpp
index 6129a0b4dbd..7042419a7b5 100644
--- a/src/plugins/valgrind/memchecktool.cpp
+++ b/src/plugins/valgrind/memchecktool.cpp
@@ -214,7 +214,7 @@ QStringList MemcheckToolRunner::toolArguments() const
     if (m_withGdb)
         arguments << "--vgdb=yes" << "--vgdb-error=0";
 
-    arguments << Utils::ProcessArgs::splitArgs(m_settings.memcheckArguments.value());
+    arguments << ProcessArgs::splitArgs(m_settings.memcheckArguments.value(), HostOsInfo::hostOs());
 
     return arguments;
 }