diff --git a/samples/client/petstore/php/OpenAPIClient-php/.openapi-generator/FILES b/samples/client/petstore/php/OpenAPIClient-php/.openapi-generator/FILES
index cb323a92229..c41da42e1fc 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/.openapi-generator/FILES
+++ b/samples/client/petstore/php/OpenAPIClient-php/.openapi-generator/FILES
@@ -59,7 +59,6 @@ docs/Model/SpecialModelName.md
 docs/Model/Tag.md
 docs/Model/User.md
 git_push.sh
-lib/ApiException.php
 lib/Api/AnotherFakeApi.php
 lib/Api/DefaultApi.php
 lib/Api/FakeApi.php
@@ -67,6 +66,7 @@ lib/Api/FakeClassnameTags123Api.php
 lib/Api/PetApi.php
 lib/Api/StoreApi.php
 lib/Api/UserApi.php
+lib/ApiException.php
 lib/Configuration.php
 lib/HeaderSelector.php
 lib/Model/AdditionalPropertiesClass.php