--- a/ui/cocoa/Toolbar.h	Sat Jun 06 16:53:39 2026 +0200
+++ b/ui/cocoa/Toolbar.h	Sat Jun 06 18:04:54 2026 +0200
@@ -50,7 +50,7 @@
     NSMutableArray<NSString*> *defaultItems;
 }
 
-@property MainWindow *window;
+@property (weak) MainWindow *window;
 @property UiObject *obj;
 
 - (UiToolbar*) initWithWindow:(MainWindow*)window;