diff --git a/src/Component/JsonSchema/Console/Loader/SchemaLoader.php b/src/Component/JsonSchema/Console/Loader/SchemaLoader.php
index <HASH>..<HASH> 100644
--- a/src/Component/JsonSchema/Console/Loader/SchemaLoader.php
+++ b/src/Component/JsonSchema/Console/Loader/SchemaLoader.php
@@ -40,6 +40,7 @@ class SchemaLoader implements SchemaLoaderInterface
             'use-cacheable-supports-method',
             'skip-null-values',
             'skip-required-fields',
+            'custom-string-format-mapping'
         ];
     }
fix: missing declaration of new config option