diff --git a/src/Concerns/HandlesStandardBatchOperations.php b/src/Concerns/HandlesStandardBatchOperations.php
index 2eb63b35..9dd40f5f 100644
--- a/src/Concerns/HandlesStandardBatchOperations.php
+++ b/src/Concerns/HandlesStandardBatchOperations.php
@@ -89,7 +89,7 @@ public function batchUpdate(Request $request)
             $this->beforeSave($request, $entity);
 
             $this->performUpdate(
-                $request, $entity, $request->input("resources.{$entity->getKey()}")
+                $request, $entity, $request->input("resources.{$entity->{$this->keyName()}}")
             );
 
             $entity = $entity->fresh($requestedRelations);
@@ -399,4 +399,4 @@ protected function afterBatchRestore(Request $request, Collection $entities)
     {
         return null;
     }
-}
\ No newline at end of file
+}