diff --git a/src/app/application.h b/src/app/application.h
index b163ea602..13517f48b 100644
--- a/src/app/application.h
+++ b/src/app/application.h
@@ -110,7 +110,7 @@ public:
 protected:
 #ifndef DISABLE_GUI
 #ifdef Q_OS_MAC
-    bool event(QEvent *);
+    bool event(QEvent *) override;
 #endif
     bool notify(QObject* receiver, QEvent* event) override;
 #endif