diff --git a/src/plugins/qmlprojectmanager/qmlprojectmanager.cpp b/src/plugins/qmlprojectmanager/qmlprojectmanager.cpp
index 4baf42e83bb..09cfebe671b 100644
--- a/src/plugins/qmlprojectmanager/qmlprojectmanager.cpp
+++ b/src/plugins/qmlprojectmanager/qmlprojectmanager.cpp
@@ -40,6 +40,7 @@
 
 #include <QtDebug>
 
+using namespace QmlProjectManager;
 using namespace QmlProjectManager::Internal;
 
 Manager::Manager()