diff --git a/e107_themes/bootstrap3/admin_style.css b/e107_themes/bootstrap3/admin_style.css
index 71f42b939..e00600655 100644
--- a/e107_themes/bootstrap3/admin_style.css
+++ b/e107_themes/bootstrap3/admin_style.css
@@ -1623,6 +1623,16 @@ body#admin-menus #sc-admin-help .panel-body,
     flex: 2;
 }
 
+body#admin-menus .admin-left-panel .panel {
+  max-height: 50%;
+}
+body#admin-menus .admin-left-panel .admin-menu  {
+  overflow-y: auto;
+  display: flex;
+  display: -webkit-flex;
+  flex: 1 100%;
+  flex-flow: column nowrap;
+}
 body#admin-menus #sc-admin-help  {
 	overflow-y:hidden;
 	}
diff --git a/e107_themes/bootstrap3/admin_template.php b/e107_themes/bootstrap3/admin_template.php
index d409a6082..c5df8aa8b 100644
--- a/e107_themes/bootstrap3/admin_template.php
+++ b/e107_themes/bootstrap3/admin_template.php
@@ -281,6 +281,7 @@ $ADMIN_FOOTER = '
  * see function e107::getNav()->admin() in e107_admin/header.php
  */
 $E_ADMIN_MENU['start'] = '
+<div class="panel-body">
 <ul id="admin-ui-nav-menu" class="plugin-navigation nav nav-pills nav-stacked">
 ';
 
@@ -320,6 +321,7 @@ $E_ADMIN_MENU['end_sub'] = '
 
 $E_ADMIN_MENU['end'] = '
 </ul>
+</div>
 ';
 
 $E_ADMIN_MENU['divider'] = '<li role="separator" class="divider"></li>';