diff --git a/src/app/puzzle/puzzleapplication.cpp b/src/app/puzzle/puzzleapplication.cpp
index 1cd2990de..9cb624b52 100644
--- a/src/app/puzzle/puzzleapplication.cpp
+++ b/src/app/puzzle/puzzleapplication.cpp
@@ -573,7 +573,7 @@ bool PuzzleApplication::event(QEvent *e)
         case QEvent::ApplicationActivate:
         {
             Clean();
-            PuzzleMainWindow *mw = PuzzleMainWindow();
+            PuzzleMainWindow *mw = MainWindow();
             if (mw && not mw->isMinimized())
             {
                 mw->show();