diff --git a/tiramisu_json_api/api.py b/tiramisu_json_api/api.py
index 8d8e13a..980d4e9 100644
--- a/tiramisu_json_api/api.py
+++ b/tiramisu_json_api/api.py
@@ -34,10 +34,12 @@ class Option:
 class TiramisuOptionOption:
     # config.option(path).option
     def __init__(self,
+                 config: 'Config',
                  path: str,
                  schema: Dict,
                  model: Dict,
                  form: Dict) -> None:
+        self.config = config
         self._path = path
         self.schema = schema
         self.model = model
@@ -318,7 +320,8 @@ class TiramisuOptionDescription(_Option):
     def __getattr__(self,
                     subfunc: str) -> Any:
         if subfunc == 'option':
-            return TiramisuOptionOption(self.path,
+            return TiramisuOptionOption(self.config,
+                                        self.path,
                                         self.schema,
                                         self.model,
                                         self.form)
@@ -368,7 +371,8 @@ class TiramisuOption:
         if subfunc == 'option':
             if self.index != None:
                 raise NotImplementedError()
-            return TiramisuOptionOption(self.path,
+            return TiramisuOptionOption(self.config,
+                                        self.path,
                                         self.schema,
                                         self.model,
                                         self.form)