diff --git a/src/digimarks/main.py b/src/digimarks/main.py
index 8b16598..534657e 100644
--- a/src/digimarks/main.py
+++ b/src/digimarks/main.py
@@ -36,8 +36,8 @@ class Settings(BaseSettings):
     # inside the codebase
     # static_dir: DirectoryPath = Path('digimarks/static')
     # template_dir: DirectoryPath = Path('digimarks/templates')
-    static_dir: DirectoryPath = 'digimarks/static'
-    template_dir: DirectoryPath = 'digimarks/templates'
+    static_dir: DirectoryPath = DirectoryPath('digimarks/static')
+    template_dir: DirectoryPath = DirectoryPath('digimarks/templates')
 
     media_url: str = '/static/'
 
@@ -127,7 +127,7 @@ def index(request: Request):
 
 
 @app.get('/api/v1/admin/{system_key}/users/{user_id}', response_model=User)
-async def get_user(session: SessionDep, system_key: str, user_id: int) -> type[User]:
+async def get_user(session: SessionDep, system_key: str, user_id: int) -> User:
     """Show user information."""
     logger.info('User %d requested', user_id)
     if system_key != settings.system_key: