diff --git a/ui (gen4)/features/app.js b/ui (gen4)/features/app.js
index be7a371a..2bef9bdf 100755
--- a/ui (gen4)/features/app.js	
+++ b/ui (gen4)/features/app.js	
@@ -280,7 +280,7 @@ module.AppControlls = core.ImageGridFeatures.Feature({
 	actions: AppControllsActions,
 
 	handlers: [
-		['toggleFullScreen', 
+		['start.pre toggleFullScreen', 
 			function(){
 				this.toggleAppButtons('on')
 
diff --git a/ui (gen4)/features/ui-widgets.js b/ui (gen4)/features/ui-widgets.js
index d0039c36..2f7e4c3f 100755
--- a/ui (gen4)/features/ui-widgets.js	
+++ b/ui (gen4)/features/ui-widgets.js	
@@ -1155,7 +1155,7 @@ var ButtonsActions = actions.Actions({
 		makeButtonControlsToggler('main-buttons')],
 	toggleSecondaryButtons: ['Interface/Toggle secondary buttons',
 		makeButtonControlsToggler('secondary-buttons')],
-	toggleAppButtons: ['Interface/Toggle App buttons',
+	toggleAppButtons: ['Interface/Toggle app buttons',
 		makeButtonControlsToggler('app-buttons')],
 	toggleSideButtons: ['Interface/Toggle side buttons', 
 		(function(){