diff --git a/apps/gui/usb_screen.c b/apps/gui/usb_screen.c
index d3baa5b0ba..87b0761745 100644
--- a/apps/gui/usb_screen.c
+++ b/apps/gui/usb_screen.c
@@ -318,7 +318,9 @@ void gui_usb_screen_run(void)
     {
         screens[i].backlight_on();
         if(screen_theme_needs_undo[i])
+        {
             viewportmanager_theme_undo(i);
+        }
     }
 
 }