diff --git a/src/plugins/qmldesigner/components/bindingeditor/bindingeditor.h b/src/plugins/qmldesigner/components/bindingeditor/bindingeditor.h
index 44fe6e3bf8b..4c57ed28479 100644
--- a/src/plugins/qmldesigner/components/bindingeditor/bindingeditor.h
+++ b/src/plugins/qmldesigner/components/bindingeditor/bindingeditor.h
@@ -38,9 +38,11 @@
 
 #include <memory>
 
+QT_BEGIN_NAMESPACE
 class QTextEdit;
 class QDialogButtonBox;
 class QVBoxLayout;
+QT_END_NAMESPACE
 
 namespace QmlDesigner {