diff --git a/docker/debian-bookworm/Dockerfile.build b/docker/debian-bookworm/Dockerfile.build
index 01cd7b24..87fd6b4b 100644
--- a/docker/debian-bookworm/Dockerfile.build
+++ b/docker/debian-bookworm/Dockerfile.build
@@ -36,7 +36,7 @@ VOLUME ["/app/data/config", "/app/data/db", "/app/data/images", "/app/data/tmp"]
 RUN ["node", "./src/backend/index", "--expose-gc",  "--run-diagnostics", "--config-path=/app/diagnostics-config.json"]
 HEALTHCHECK --interval=40s --timeout=30s --retries=3 --start-period=60s \
   CMD wget --quiet --tries=1 --no-check-certificate --spider \
-  http://localhost:80/heartbeat || exit 1
+  http://127.0.0.1:80/heartbeat || exit 1
 
 # after a extensive job (like video converting), pigallery calls gc, to clean up everthing as fast as possible
 # Exec form entrypoint is need otherwise (using shell form) ENV variables are not properly passed down to the app