diff --git a/src/plugins/qmakeprojectmanager/qmakestep.cpp b/src/plugins/qmakeprojectmanager/qmakestep.cpp
index 104a093e4d5..31e14588345 100644
--- a/src/plugins/qmakeprojectmanager/qmakestep.cpp
+++ b/src/plugins/qmakeprojectmanager/qmakestep.cpp
@@ -383,6 +383,16 @@ void QMakeStep::setExtraArguments(const QStringList &args)
     }
 }
 
+QStringList QMakeStep::extraParserArguments() const
+{
+    return m_extraParserArgs;
+}
+
+void QMakeStep::setExtraParserArguments(const QStringList &args)
+{
+    m_extraParserArgs = args;
+}
+
 bool QMakeStep::linkQmlDebuggingLibrary() const
 {
     return m_linkQmlDebuggingLibrary;
@@ -476,7 +486,8 @@ QString QMakeStep::effectiveQMakeCall() const
 
 QStringList QMakeStep::parserArguments()
 {
-    QStringList result;
+    // NOTE: extra parser args placed before the other args intentionally
+    QStringList result = m_extraParserArgs;
     BaseQtVersion *qt = QtKitAspect::qtVersion(target()->kit());
     QTC_ASSERT(qt, return QStringList());
     for (QtcProcess::ConstArgIterator ait(allArguments(qt, ArgumentFlag::Expand)); ait.next(); ) {
diff --git a/src/plugins/qmakeprojectmanager/qmakestep.h b/src/plugins/qmakeprojectmanager/qmakestep.h
index 90fef01d353..1a4bc66f393 100644
--- a/src/plugins/qmakeprojectmanager/qmakestep.h
+++ b/src/plugins/qmakeprojectmanager/qmakestep.h
@@ -133,9 +133,13 @@ public:
     // arguments set by the user
     QString userArguments();
     void setUserArguments(const QString &arguments);
-    // QMake extra arguments. Not user editable.
+    // Extra arguments for qmake and pro file parser. Not user editable via UI.
     QStringList extraArguments() const;
     void setExtraArguments(const QStringList &args);
+    /* Extra arguments for pro file parser only. Not user editable via UI.
+     * This function is used in 3rd party plugin SailfishOS. */
+    QStringList extraParserArguments() const;
+    void setExtraParserArguments(const QStringList &args);
     QString mkspec() const;
     bool linkQmlDebuggingLibrary() const;
     void setLinkQmlDebuggingLibrary(bool enable);
@@ -174,8 +178,10 @@ private:
     Utils::FilePath m_makeExecutable;
     QString m_makeArguments;
     QString m_userArgs;
-    // Extra arguments for qmake.
+    // Extra arguments for qmake and pro file parser
     QStringList m_extraArgs;
+    // Extra arguments for pro file parser only
+    QStringList m_extraParserArgs;
 
     // last values
     enum class State { IDLE = 0, RUN_QMAKE, RUN_MAKE_QMAKE_ALL, POST_PROCESS };