diff --git a/system/modules/registration_info_mailer/src/Handler.php b/system/modules/registration_info_mailer/src/Handler.php
index cd89838..90bab28 100644
--- a/system/modules/registration_info_mailer/src/Handler.php
+++ b/system/modules/registration_info_mailer/src/Handler.php
@@ -89,10 +89,10 @@ public function sendRegistrationMail($intId, $arrData, $objModule)
      *
      * @return void
      */
-    public function sendChangeMail($objUser, $formData, $objModule)
+    public function sendChangeMail($objUser, $formData, $objModule = null)
     {
         // Check if the registration mail should be send.
-        if ($objModule->rim_change_active == 1) {
+        if (null !== $objModule && $objModule->rim_change_active == 1) {
             $this->getUserOptions($objUser);
 
             // Check if we have all needed data.