diff --git a/src/video/cocoa/event.mm b/src/video/cocoa/event.mm
--- a/src/video/cocoa/event.mm
+++ b/src/video/cocoa/event.mm
@@ -287,7 +287,7 @@ static bool QZ_KeyEvent(unsigned short k
 		case QZ_RETURN:
 		case QZ_f:
 			if (down && (_current_mods & NSCommandKeyMask)) {
-				_video_driver->ToggleFullscreen(!_fullscreen);
+				VideoDriver::GetInstance()->ToggleFullscreen(!_fullscreen);
 			}
 			break;
 	}