diff --git a/src/corelib/kernel/qapplicationstatic.h b/src/corelib/kernel/qapplicationstatic.h
index e7f381a70c..33567596e6 100644
--- a/src/corelib/kernel/qapplicationstatic.h
+++ b/src/corelib/kernel/qapplicationstatic.h
@@ -40,7 +40,7 @@
 #ifndef QAPPLICATIONSTATIC_H
 #define QAPPLICATIONSTATIC_H
 
-#include <QMutex>
+#include <QtCore/QMutex>
 #include <QtCore/qglobalstatic.h>
 
 QT_BEGIN_NAMESPACE