diff --git a/src/plugins/platforms/cocoa/qcocoainputcontext.mm b/src/plugins/platforms/cocoa/qcocoainputcontext.mm
index 9221099a57..d0baea5b36 100644
--- a/src/plugins/platforms/cocoa/qcocoainputcontext.mm
+++ b/src/plugins/platforms/cocoa/qcocoainputcontext.mm
@@ -129,6 +129,8 @@ void QCocoaInputContext::focusObjectChanged(QObject *focusObject)
             return;
 
         QCocoaWindow *window = static_cast<QCocoaWindow *>(mWindow->handle());
+        if (!window)
+            return;
         QNSView *view = qnsview_cast(window->view());
         if (!view)
             return;