diff --git a/src/widgets/settings_widget.h b/src/widgets/settings_widget.h
--- a/src/widgets/settings_widget.h
+++ b/src/widgets/settings_widget.h
@@ -32,6 +32,7 @@ enum GameOptionsWidgets {
 	WID_GO_BASE_MUSIC_TEXTFILE,    ///< Open base music readme, changelog (+1) or license (+2).
 	WID_GO_BASE_MUSIC_DESCRIPTION = WID_GO_BASE_MUSIC_TEXTFILE + TFT_END, ///< Description of selected base music set.
 	WID_GO_FONT_ZOOM_DROPDOWN,     ///< Dropdown for the font zoom level.
+	WID_GO_VIDEO_ACCEL_BUTTON,     ///< Toggle for video acceleration.
 };
 
 /** Widgets of the #GameSettingsWindow class. */