diff --git a/shared/dev_watcher.py b/shared/dev_watcher.py
index ff31297..af9e2d4 100644
--- a/shared/dev_watcher.py
+++ b/shared/dev_watcher.py
@@ -13,7 +13,7 @@ import time
 import sys
 
 WATCH_EXTENSIONS = {".sx", ".sx", ".js", ".css"}
-SENTINEL = os.path.join(os.path.dirname(__file__), "_reload_sentinel.py")
+SENTINEL = "/app/_reload_sentinel.py"
 POLL_INTERVAL = 1.5  # seconds