diff --git a/src/MyParcelComApi.php b/src/MyParcelComApi.php
index d1c8b183..b60d6570 100644
--- a/src/MyParcelComApi.php
+++ b/src/MyParcelComApi.php
@@ -710,7 +710,7 @@ public function registerCollection(CollectionInterface|string $collectionId): Co
             ->setId($collectionId)
             ->setRegister(true);
 
-        return $this->patchResource($collectionToRegister);
+        return $this->updateCollection($collectionToRegister);
     }
 
     /**