diff --git a/docker-compose.yml b/docker-compose.yml
index 0c6cf567c..1d5567d88 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -77,7 +77,7 @@ services:
 
   grafana:
     image: grafana/grafana:9.0.3
-    user: 472:0 # required for grafana version >= 7.3
+    user: "472:0" # required for grafana version >= 7.3
     ports: [ "3000:3000" ]
     volumes:
       - ${ERIGON_GRAFANA_CONFIG:-./cmd/prometheus/grafana.ini}:/etc/grafana/grafana.ini