diff --git a/docker-compose.yml b/docker-compose.yml
index 134d773..32d3d00 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -2,7 +2,7 @@ services:
   prometheus:
     image: prom/prometheus
     container_name: prometheus
-    user: 0
+    user: '0'
     volumes:
       - /var/lib/docker/volumes/prometheus/prometheus:/etc/prometheus
       - /var/lib/docker/volumes/prometheus/prometheus_data:/prometheus
@@ -15,7 +15,7 @@ services:
   grafana:
     image: grafana/grafana
     container_name: grafana
-    user: 0
+    user: '0'
     ports:
       - "3100:3000"
     volumes: