diff --git a/chrome/skin/default/zotero/bindings/tagselector.css b/chrome/skin/default/zotero/bindings/tagselector.css
index c0bed127f..6cc316365 100644
--- a/chrome/skin/default/zotero/bindings/tagselector.css
+++ b/chrome/skin/default/zotero/bindings/tagselector.css
@@ -7,7 +7,8 @@ groupbox
 
 #tags-toggle
 {
-	overflow: auto;
+	overflow-x: hidden;
+	overflow-y: auto;
 	display: block; /* allow labels to wrap instead of all being in one line */
 }