diff --git a/src/ohmyapi/core/runtime.py b/src/ohmyapi/core/runtime.py
index 191136d..576e275 100644
--- a/src/ohmyapi/core/runtime.py
+++ b/src/ohmyapi/core/runtime.py
@@ -129,7 +129,7 @@ class Project:
         }
 
         for app_name, app in self._apps.items():
-            modules = list(app.models.keys())
+            modules = list(app._models.keys())
             if modules:
                 config["apps"][app_name] = {
                     "models": modules,
@@ -372,9 +372,7 @@ class App:
         for module in self._models:
             for model in self._models[module]:
                 out.append(model)
-        return {
-            module: out,
-        }
+        return out
 
     @property
     def routers(self):