diff --git a/monitoring/docker-compose.yaml b/monitoring/docker-compose.yaml
index d37e548..f731fd9 100644
--- a/monitoring/docker-compose.yaml
+++ b/monitoring/docker-compose.yaml
@@ -112,6 +112,7 @@ services:
       - "${VOLUMES_PATH}/monitoring/diun/data:/data"
     networks:
       - dockersocket
+    hostname: ${HOSTNAME}
     environment:
       - "TZ=Europe/Berlin"
       - "DIUN_WATCH_WORKERS=10"