diff --git a/src/plugins/qmlprojectmanager/qmlproject.cpp b/src/plugins/qmlprojectmanager/qmlproject.cpp
index 541cc837a68..524c7927434 100644
--- a/src/plugins/qmlprojectmanager/qmlproject.cpp
+++ b/src/plugins/qmlprojectmanager/qmlproject.cpp
@@ -271,6 +271,11 @@ QString QmlBuildSystem::mainFile() const
     return QString();
 }
 
+Utils::FilePath QmlBuildSystem::mainFilePath() const
+{
+    return projectDirectory().pathAppended(mainFile());
+}
+
 bool QmlBuildSystem::qtForMCUs() const
 {
     if (m_projectItem)
diff --git a/src/plugins/qmlprojectmanager/qmlproject.h b/src/plugins/qmlprojectmanager/qmlproject.h
index ad79351f54a..4fc4d49242d 100644
--- a/src/plugins/qmlprojectmanager/qmlproject.h
+++ b/src/plugins/qmlprojectmanager/qmlproject.h
@@ -76,6 +76,8 @@ public:
 
     Utils::FilePath canonicalProjectDir() const;
     QString mainFile() const;
+    Utils::FilePath mainFilePath() const;
+
     bool qtForMCUs() const;
     void setMainFile(const QString &mainFilePath);
     Utils::FilePath targetDirectory() const;
@@ -90,6 +92,7 @@ public:
 
     void refreshProjectFile();
 
+    static Utils::FilePath activeMainFilePath();
     static QStringList makeAbsolute(const Utils::FilePath &path, const QStringList &relativePaths);
 
     void generateProjectTree();