diff --git a/src/libs/qmljs/parser/qmljsast_p.h b/src/libs/qmljs/parser/qmljsast_p.h
index 78b9f4b0800..50ab370922a 100644
--- a/src/libs/qmljs/parser/qmljsast_p.h
+++ b/src/libs/qmljs/parser/qmljsast_p.h
@@ -43,9 +43,11 @@
 
 #include <QtCore/qversionnumber.h>
 
-QT_QML_BEGIN_NAMESPACE
-
+QT_BEGIN_NAMESPACE
 class QString;
+QT_END_NAMESPACE
+
+QT_QML_BEGIN_NAMESPACE
 
 namespace QmlJS {
 class Parser;