diff --git a/src/gui/ContextMenu.hxx b/src/gui/ContextMenu.hxx
index edbbf0d15..e4772cfe2 100644
--- a/src/gui/ContextMenu.hxx
+++ b/src/gui/ContextMenu.hxx
@@ -97,7 +97,7 @@ class ContextMenu : public Dialog, public CommandSender
     void handleJoyUp(int stick, int button) override;
     void handleJoyAxis(int stick, JoyAxis axis, JoyDir adir, int button) override;
     bool handleJoyHat(int stick, int hat, JoyHatDir hdir, int button) override;
-    void handleEvent(Event::Type e);
+    void handleEvent(Event::Type e) override;
 
     void setArrows();
     void drawDialog() override;
diff --git a/src/gui/Dialog.hxx b/src/gui/Dialog.hxx
index 1ea2e3257..921ff3c50 100644
--- a/src/gui/Dialog.hxx
+++ b/src/gui/Dialog.hxx
@@ -168,7 +168,7 @@ class Dialog : public GuiObject
     virtual void handleJoyUp(int stick, int button);
     virtual void handleJoyAxis(int stick, JoyAxis axis, JoyDir adir, int button = JOY_CTRL_NONE);
     virtual bool handleJoyHat(int stick, int hat, JoyHatDir hdir, int button = JOY_CTRL_NONE);
-    virtual void handleEvent(Event::Type event) {};
+    virtual void handleEvent(Event::Type event) {}
     void handleCommand(CommandSender* sender, int cmd, int data, int id) override;
     virtual Event::Type getJoyAxisEvent(int stick, JoyAxis axis, JoyDir adir, int button);