diff --git a/openapi_first/app.py b/openapi_first/app.py
index efe9e7b..1ac6233 100644
--- a/openapi_first/app.py
+++ b/openapi_first/app.py
@@ -130,7 +130,7 @@ class OpenAPIFirstApp(FastAPI):
         super().__init__(**fastapi_kwargs)
 
         # Load and validate OpenAPI specification
-                self._openapi_spec = _resolve_spec_env_vars(load_openapi(openapi_path))
+        self._openapi_spec = _resolve_spec_env_vars(load_openapi(openapi_path))
 
         # Parse security schemes and build per-route dependencies
         security_schemes = parse_security_schemes(self._openapi_spec)