diff --git a/src/gui/platform/windows/qwindowsmimeconverter.h b/src/gui/platform/windows/qwindowsmimeconverter.h
index c1b80c1fef..95722be109 100644
--- a/src/gui/platform/windows/qwindowsmimeconverter.h
+++ b/src/gui/platform/windows/qwindowsmimeconverter.h
@@ -6,17 +6,18 @@
 
 #include <QtGui/qtguiglobal.h>
 
-QT_BEGIN_NAMESPACE
-
-class QMetaType;
-class QMimeData;
-class QVariant;
 struct tagFORMATETC;
 using FORMATETC = tagFORMATETC;
 struct tagSTGMEDIUM;
 using STGMEDIUM = tagSTGMEDIUM;
 struct IDataObject;
 
+QT_BEGIN_NAMESPACE
+
+class QMetaType;
+class QMimeData;
+class QVariant;
+
 class Q_GUI_EXPORT QWindowsMimeConverter
 {
 public: