diff --git a/demos/autocomplete/combobox.html b/demos/autocomplete/combobox.html
index 21c81a5db..6703e9de0 100644
--- a/demos/autocomplete/combobox.html
+++ b/demos/autocomplete/combobox.html
@@ -47,8 +47,7 @@
 						},
 						minLength: 0
 					})
-					.removeClass("ui-corner-all")
-					.addClass("ui-corner-left");
+					.addClass("ui-widget ui-widget-content ui-corner-left");
 				$("<button>&nbsp;</button>")
 				.insertAfter(input)
 				.button({