diff --git a/chrome/skin/default/zotero/timeline/bundle.css b/chrome/skin/default/zotero/timeline/bundle.css
index a1b7cba2c..93baa8b03 100644
--- a/chrome/skin/default/zotero/timeline/bundle.css
+++ b/chrome/skin/default/zotero/timeline/bundle.css
@@ -118,6 +118,7 @@
     left: 0px;
     z-index: 1000;
     cursor: pointer;
+    display:none;
 }
 
 .timeline-message-container {