diff --git a/code/GraphQL/Resolvers/FolderTypeResolver.php b/code/GraphQL/Resolvers/FolderTypeResolver.php
index 53b2c65a7..5fea9a095 100644
--- a/code/GraphQL/Resolvers/FolderTypeResolver.php
+++ b/code/GraphQL/Resolvers/FolderTypeResolver.php
@@ -169,7 +169,7 @@ public static function sortChildren(array $context): Closure
                         $field,
                         File::class
                     );
-                    $dataQuery->sort($field, $dir, false);
+                    $dataQuery->sort($normalised, $dir, false);
                 }
 
                 // respect default_sort