diff --git a/lib/Listeners/BeforeUserDeletedListener.php b/lib/Listeners/BeforeUserDeletedListener.php
index 7126c62438f186dfb4433b700eebf51d874a1ba1..e383b52fbb4d4a3de85d42efd9a70340b517c795 100644
--- a/lib/Listeners/BeforeUserDeletedListener.php
+++ b/lib/Listeners/BeforeUserDeletedListener.php
@@ -74,7 +74,7 @@ class BeforeUserDeletedListener implements IEventListener
             }
             else {
                 $newEmail = $this->shopAccountService->getShopEmailPostDeletePreference($uid);
-                $newEmail = $this->shopAccountService->updateUserEmail($shopUser['id'], $newEmail);
+                $newEmail = $this->shopAccountService->updateUserEmailAndEmptyOIDC($shopUser['id'], $newEmail);
             }
         }
     }
diff --git a/lib/Service/ShopAccountService.php b/lib/Service/ShopAccountService.php
index 7e35670e6436b61b3da093c54f28571a7696686b..c3145c65d0bbe22980281507978afe4e554de657 100644
--- a/lib/Service/ShopAccountService.php
+++ b/lib/Service/ShopAccountService.php
@@ -125,11 +125,12 @@ class ShopAccountService {
 
     }
 
-    public function updateUserEmail(int $userId, string $email) : void {
+    public function updateUserEmailAndEmptyOIDC(int $userId, string $email) : void {
         $updateUrl = $this->shopUserUrl . '/' . strval($userId);
 
         $params = [
-            'email' => $email
+            'email' => $email,
+            'openid-connect-generic-last-user-claim' => []
         ];
 
         try {