diff --git a/demos/autocomplete/maxheight.html b/demos/autocomplete/maxheight.html
index e71b38ec9..bac42f63a 100644
--- a/demos/autocomplete/maxheight.html
+++ b/demos/autocomplete/maxheight.html
@@ -14,6 +14,7 @@
 	.ui-autocomplete {
 		max-height: 100px;
 		overflow-y: auto;
+		overflow-x: hidden;
 	}
 	/* IE 6 doesn't support max-height
 	 * we use height instead, but this forces the menu to always be this tall