diff --git a/plugins/DomainWhitelist/DomainWhitelistPlugin.php b/plugins/DomainWhitelist/DomainWhitelistPlugin.php
index 9e1b31ef34..cf0d94884d 100644
--- a/plugins/DomainWhitelist/DomainWhitelistPlugin.php
+++ b/plugins/DomainWhitelist/DomainWhitelistPlugin.php
@@ -231,8 +231,9 @@ class DomainWhitelistPlugin extends Plugin
                 )
             );
 
-            array_unshift($orderedWhitelist, $userDomain);
-
+            if (in_array($userDomain, $whitelist)) {
+                array_unshift($orderedWhitelist, $userDomain);
+            }
             return $orderedWhitelist;
         }