diff --git a/share/qtcreator/debugger/lldbbridge.py b/share/qtcreator/debugger/lldbbridge.py
index f7cd2f591bb..36302be0d6a 100644
--- a/share/qtcreator/debugger/lldbbridge.py
+++ b/share/qtcreator/debugger/lldbbridge.py
@@ -841,7 +841,7 @@ class Dumper(DumperBase):
         self.startMode_ = args.get('startmode', 1)
         self.breakOnMain_ = args.get('breakonmain', 0)
         self.useTerminal_ = args.get('useterminal', 0)
-        self.processArgs_ = self.hexdecode(args.get('processargs'))
+        self.processArgs_ = self.hexdecode(args.get('processargs', '')).split('\0')
         self.environment_ = args.get('environment', [])
         self.environment_ = list(map(lambda x: self.hexdecode(x), self.environment_))
         self.attachPid_ = args.get('attachpid', 0)
@@ -932,19 +932,7 @@ class Dumper(DumperBase):
             else:
                 self.reportState('enginerunfailed')
         else:
-            # This does not seem to work on Linux nor macOS?
-            #launchInfo = lldb.SBLaunchInfo([self.processArgs_])
-            #launchInfo.SetShellExpandArguments(True)
-            args = []
-            try:
-                import subprocess
-                cmd = 'for x in {} ; do printf "%s\n" "$x" ; done' \
-                    .format(self.processArgs_)
-                args = subprocess.check_output(cmd, shell=True, cwd=self.workingDirectory_).split()
-            except:
-                # Wrong, but...
-                args = self.processArgs_
-            launchInfo = lldb.SBLaunchInfo(args)
+            launchInfo = lldb.SBLaunchInfo(self.processArgs_)
             launchInfo.SetWorkingDirectory(self.workingDirectory_)
             launchInfo.SetEnvironmentEntries(self.environment_, False)
             if self.breakOnMain_:
diff --git a/src/plugins/debugger/lldb/lldbengine.cpp b/src/plugins/debugger/lldb/lldbengine.cpp
index 3047fb8ad4b..ee0fd4f087b 100644
--- a/src/plugins/debugger/lldb/lldbengine.cpp
+++ b/src/plugins/debugger/lldb/lldbengine.cpp
@@ -275,7 +275,7 @@ void LldbEngine::setupEngine()
     cmd2.arg("nativemixed", isNativeMixedActive());
     cmd2.arg("workingdirectory", rp.inferior.workingDirectory);
     cmd2.arg("environment", rp.inferior.environment.toStringList());
-    cmd2.arg("processargs", toHex(rp.inferior.commandLineArguments));
+    cmd2.arg("processargs", toHex(QtcProcess::splitArgs(rp.inferior.commandLineArguments).join(QChar(0))));
 
     if (terminal()) {
         const qint64 attachedPID = terminal()->applicationPid();