1 files changed, 1 insertions, 1 deletions
diff --git a/src/plugins/platforms/windows/qwindowswindow.h b/src/plugins/platforms/windows/qwindowswindow.h
index 2aaf722277..95e497acdb 100644
--- a/src/plugins/platforms/windows/qwindowswindow.h
+++ b/src/plugins/platforms/windows/qwindowswindow.h
@@ -156,7 +156,7 @@ public:
         { return GetWindowLongPtr(m_data.hwnd, GWL_EXSTYLE); }
     void setExStyle(unsigned s) const;
 
-    void handleWmPaint(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam);
+    bool handleWmPaint(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam);
 
     void handleMoved();
     void handleResized(int wParam);