diff --git a/javascripts/theme.js b/javascripts/theme.js
index f715370..c7b72d9 100644
--- a/javascripts/theme.js
+++ b/javascripts/theme.js
@@ -223,7 +223,7 @@ $(function() {
     var last_activity_url = $('#history a[href*=activity]').last().attr('href');
     var date = new Date(last_activity_url.split('=')[1]);
     var today = new Date();
-    if (today - date > (20 * 86400*1000)) {  /* older than 20 days */
+    if (today - date > (60 * 86400*1000)) {  /* older than 60 days */
       $('div#content > div.contextual .icon-edit').hide();
     }
   }