diff --git a/IPython/frontend/html/notebook/static/less/notebook.less b/IPython/frontend/html/notebook/static/less/notebook.less
index 30870e72c..e33dedcd4 100644
--- a/IPython/frontend/html/notebook/static/less/notebook.less
+++ b/IPython/frontend/html/notebook/static/less/notebook.less
@@ -102,6 +102,7 @@ span#notebook_name {
         font-size: 92%;
         margin-left:0.3em;
         margin-right:0.3em;
+        padding: 0px;
     }
 }