diff --git a/src/plugins/autotoolsprojectmanager/autotoolsproject.cpp b/src/plugins/autotoolsprojectmanager/autotoolsproject.cpp
index 1f2922e7d01..d35dedba8d1 100644
--- a/src/plugins/autotoolsprojectmanager/autotoolsproject.cpp
+++ b/src/plugins/autotoolsprojectmanager/autotoolsproject.cpp
@@ -276,6 +276,8 @@ void AutotoolsProject::updateCppCodeModel()
     CppTools::ProjectInfo pInfo(this);
     CppTools::ProjectPartBuilder ppBuilder(pInfo);
 
+    ppBuilder.setProjectFile(projectFilePath().toString());
+
     CppTools::ProjectPart::QtVersion activeQtVersion = CppTools::ProjectPart::NoQt;
     if (QtSupport::BaseQtVersion *qtVersion =
             QtSupport::QtKitInformation::qtVersion(activeTarget()->kit())) {
diff --git a/src/plugins/genericprojectmanager/genericproject.cpp b/src/plugins/genericprojectmanager/genericproject.cpp
index 23b68c77ced..ef396553373 100644
--- a/src/plugins/genericprojectmanager/genericproject.cpp
+++ b/src/plugins/genericprojectmanager/genericproject.cpp
@@ -354,6 +354,7 @@ void GenericProject::refreshCppCodeModel()
             activeQtVersion = CppTools::ProjectPart::Qt5;
     }
 
+    ppBuilder.setProjectFile(projectFilePath().toString());
     ppBuilder.setQtVersion(activeQtVersion);
     ppBuilder.setIncludePaths(projectIncludePaths());
     ppBuilder.setConfigFileName(configFileName());