diff --git a/src/app/app.py b/src/app/app.py
index bfcaafc..4d605d1 100644
--- a/src/app/app.py
+++ b/src/app/app.py
@@ -47,7 +47,7 @@ class BaseApplication(RPCApplication):
         self.template_path = (
             template_path
             and template_path
-            or pathlib.Path(__file__).parent / "templates"
+            or pathlib.Path(__file__).parent.joinpath("templates")
         )
         self.agents = {}
         super().__init__(middlewares=middlewares, *args, **kwargs)