1 files changed, 1 insertions, 0 deletions
diff --git a/src/plugins/platforms/windows/qwindowswindow.h b/src/plugins/platforms/windows/qwindowswindow.h
index b07bd15d2a..0d8096ddfa 100644
--- a/src/plugins/platforms/windows/qwindowswindow.h
+++ b/src/plugins/platforms/windows/qwindowswindow.h
@@ -112,6 +112,7 @@ struct QWindowsWindowData
     QMargins customMargins;    // User-defined, additional frame for NCCALCSIZE
     HWND hwnd = 0;
     bool embedded = false;
+    bool hasFrame = false;
 
     static QWindowsWindowData create(const QWindow *w,
                                      const QWindowsWindowData &parameters,