diff --git a/kallithea/templates/pullrequests/pullrequest_show.html b/kallithea/templates/pullrequests/pullrequest_show.html
--- a/kallithea/templates/pullrequests/pullrequest_show.html
+++ b/kallithea/templates/pullrequests/pullrequest_show.html
@@ -171,7 +171,7 @@ ${self.repo_context_bar('showpullrequest
             <div class="input">
               <div class="msg-div">${c.update_msg}</div>
               %if c.avail_revs:
-              <div id="updaterevs" style="max-height:200px; overflow-y:auto; overflow-x:hidden; margin-bottom: 10px">
+              <div id="updaterevs" style="max-height:200px; overflow-y:auto; overflow-x:hidden; margin-bottom: 10px; padding: 1px 0">
                 <div style="height:0">
                   <canvas id="avail_graph_canvas" style="width:0"></canvas>
                 </div>