diff --git a/docker/docker-compose.yml b/docker/docker-compose.yml
index 088d98d..9752fb7 100644
--- a/docker/docker-compose.yml
+++ b/docker/docker-compose.yml
@@ -87,7 +87,10 @@ services:
       api:
         condition: service_started
     healthcheck:
-      test: ["CMD-SHELL", "wget -q --spider http://localhost:80/ || exit 1"]
+      # 127.0.0.1, not localhost: nginx listens IPv4-only (0.0.0.0:80) but
+      # `localhost` resolves to ::1 first inside the container → the probe hit
+      # nothing and reported unhealthy while the panel served fine on IPv4.
+      test: ["CMD-SHELL", "wget -q --spider http://127.0.0.1:80/ || exit 1"]
       interval: 10s
       timeout: 5s
       retries: 3