diff --git a/ui/platform/win/ui_window_win.cpp b/ui/platform/win/ui_window_win.cpp
index e4c57e7..c0d78dd 100644
--- a/ui/platform/win/ui_window_win.cpp
+++ b/ui/platform/win/ui_window_win.cpp
@@ -740,7 +740,7 @@ HWND GetWindowHandle(not_null<QWidget*> widget) {
 }
 
 HWND GetWindowHandle(not_null<QWindow*> window) {
-	return static_cast<HWND>(window->winId());
+	return reinterpret_cast<HWND>(window->winId());
 }
 
 void SendWMPaintForce(not_null<QWidget*> widget) {