diff --git a/admin/site_update.php b/admin/site_update.php
index afd3d977d..74b4353bd 100644
--- a/admin/site_update.php
+++ b/admin/site_update.php
@@ -72,6 +72,10 @@ if (isset($page['no_md5sum_number']))
   $page['messages'][] = '<a href="admin.php?page=batch_manager&amp;filter=prefilter-no_sync_md5sum">'.l10n('Some checksums are missing.').'<i class="icon-right"></i></a>';
 }
 
+if (!is_webmaster()) {
+  $page['warnings'][] = l10n('Webmaster status is required.');
+}
+
 // +-----------------------------------------------------------------------+
 // | tabs                                                                  |
 // +-----------------------------------------------------------------------+
@@ -105,6 +109,11 @@ if (isset($_GET['quick_sync']))
 $general_failure = true;
 if (isset($_POST['submit']))
 {
+
+  if (!is_webmaster()) {
+    redirect(get_root_url().'admin.php?page=site_update&amp;site='.$_GET['site']);
+  }
+
   if ($site_reader->open())
   {
     $general_failure = false;
@@ -958,6 +967,8 @@ $template->assign(
     'U_HELP' => get_root_url().'admin/popuphelp.php?page=synchronize',
     ));
 
+$template->assign('isWebmaster', is_webmaster());
+
 // +-----------------------------------------------------------------------+
 // |                        introduction : choices                         |
 // +-----------------------------------------------------------------------+
diff --git a/admin/themes/default/template/site_update.tpl b/admin/themes/default/template/site_update.tpl
index 0cfb0ed67..c6d5bff97 100644
--- a/admin/themes/default/template/site_update.tpl
+++ b/admin/themes/default/template/site_update.tpl
@@ -118,7 +118,7 @@ $('#syncFiles label').click(function () {
   </fieldset>
 
   <p class="bottomButtons syncBtn">
-    <button class="icon-exchange buttonGradient" type="submit" value="" name="submit"> {'Synchronize'|@translate} </button>
+    <button class="icon-exchange buttonGradient" type="submit" value="" name="submit" {if !$isWebmaster} disabled {/if}> {'Synchronize'|@translate} </button>
   </p>
 </form>
 {/if}{*isset $introduction*}
diff --git a/admin/themes/default/template/user_activity.tpl b/admin/themes/default/template/user_activity.tpl
index aa50b58d9..663fe57fc 100644
--- a/admin/themes/default/template/user_activity.tpl
+++ b/admin/themes/default/template/user_activity.tpl
@@ -106,7 +106,7 @@ function get_user_activity() {
         },
         success: (data) => {
             /* console log to help debug */
-            {* console.log(data); *}
+            console.log(data);
 
             setCreationDate(data.result['result_lines'][data.result['result_lines'].length-1].date, data.result['result_lines'][0].date);
             $(".loading").hide();