diff --git a/libraries/classes/Server/Privileges.php b/libraries/classes/Server/Privileges.php
index 1e50fbb32a..a61051ab0f 100644
--- a/libraries/classes/Server/Privileges.php
+++ b/libraries/classes/Server/Privileges.php
@@ -4423,7 +4423,7 @@ class Privileges
             isset($_POST['old_usergroup']) ? $_POST['old_usergroup'] : null;
         $this->setUserGroup($_POST['username'], $old_usergroup);
 
-        if ($create_user_real === null) {
+        if ($create_user_real !== null) {
             $queries[] = $create_user_real;
         }
         $queries[] = $real_sql_query;