diff --git a/source/blender/editors/space_buttons/space_buttons.c b/source/blender/editors/space_buttons/space_buttons.c
index 9d34b827ff9..0b6e752574b 100644
--- a/source/blender/editors/space_buttons/space_buttons.c
+++ b/source/blender/editors/space_buttons/space_buttons.c
@@ -350,10 +350,12 @@ static void buttons_area_listener(ScrArea *sa, wmNotifier *wmn)
 						ED_area_tag_redraw(sa);
 					break;
 			}
+			break;
 		/* Listener for preview render, when doing an global undo. */
 		case NC_WINDOW:
 			ED_area_tag_redraw(sa);
 			sbuts->preview= 1;
+			break;
 	}
 
 	if(wmn->data == ND_KEYS)