diff --git a/docker-compose.yml b/docker-compose.yml
index 63fdb9a..c274401 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -10,7 +10,7 @@ services:
           "CMD",
           "python",
           "-c",
-          "import urllib.request; import sys; req = urllib.request.Request('http://localhost:${APP_PORT:-8000}/healthcheck', headers={'X-Internal-Check': '${HEALTHCHECK_TOKEN}'}); sys.exit(0) if urllib.request.urlopen(req).read() == b'OK' else sys.exit(1)",
+          "import urllib.request; import sys; req = urllib.request.Request('http://localhost:${APP_PORT:-8000}/healthcheck', headers={'X-Internal-Check': '${HEALTHCHECK_TOKEN}'}); sys.exit(0) if urllib.request.urlopen(req).getcode() == 200 else sys.exit(1)",
         ]
       interval: 30s
       timeout: 10s