diff --git a/src/plugins/qt4projectmanager/qt4project.cpp b/src/plugins/qt4projectmanager/qt4project.cpp
index 4b1b288014f96d453b13e28ba7c8fff650141bfa..03ebbebd408b87d5fd538db7948e601ad0711f44 100644
--- a/src/plugins/qt4projectmanager/qt4project.cpp
+++ b/src/plugins/qt4projectmanager/qt4project.cpp
@@ -489,6 +489,7 @@ Qt4BuildConfiguration *Qt4Project::addQt4BuildConfiguration(QString displayName,
 
     MakeStep* cleanStep = new MakeStep(bc);
     cleanStep->setClean(true);
+    cleanStep->setUserArguments(QStringList() << "clean");
     bc->insertCleanStep(0, cleanStep);
     if (!additionalArguments.isEmpty())
         qmakeStep->setUserArguments(additionalArguments);