diff --git a/docker-compose.yml b/docker-compose.yml
index 353f8f8..8ec0997 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -1,5 +1,6 @@
 services:
   heart-listener:
+    working_dir: /app
     image: python:3.14-slim
     container_name: uptime-heart-listener
     restart: unless-stopped