1 files changed, 2 insertions, 1 deletions
diff --git a/gui/options.h b/gui/options.h
index 622e63dc00..cda1e82641 100644
--- a/gui/options.h
+++ b/gui/options.h
@@ -70,12 +70,13 @@ private:
 	CheckboxWidget *_aspectCheckbox;
 
 	//
-	// MIDI controls
+	// Audio controls
 	//
 	bool _enableAudioSettings;
 	PopUpWidget *_midiPopUp;
 	CheckboxWidget *_multiMidiCheckbox;
 	CheckboxWidget *_mt32Checkbox;
+	CheckboxWidget *_subCheckbox;
 
 	//
 	// Volume controls