diff --git a/src/GridFieldOrderableRows.php b/src/GridFieldOrderableRows.php
index 310dceea..bcb47772 100755
--- a/src/GridFieldOrderableRows.php
+++ b/src/GridFieldOrderableRows.php
@@ -586,7 +586,7 @@ protected function reorderItems($list, array $values, array $sortedIDs)
             }
         }
 
-        $this->extend('onAfterReorderItems', $list);
+        $this->extend('onAfterReorderItems', $list, $values, $sortedIDs);
     }
 
     protected function populateSortValues(DataList $list)