diff --git a/base-notebook/docker_healthcheck.py b/base-notebook/docker_healthcheck.py
index 8b756c55..4dbc62fe 100755
--- a/base-notebook/docker_healthcheck.py
+++ b/base-notebook/docker_healthcheck.py
@@ -11,7 +11,7 @@ import requests
 # As this is a healthcheck, it should succeed or raise an exception on error
 
 runtime_dir = Path("/home/") / os.environ["NB_USER"] / ".local/share/jupyter/runtime/"
-json_file = next(runtime_dir.glob("*.json"))
+json_file = next(runtime_dir.glob("*server-*.json"))
 
 url = json.loads(json_file.read_bytes())["url"]
 url = url + "api"