diff --git a/cloudflare-ddns/compose.yaml b/cloudflare-ddns/compose.yaml
index ccba369..3463ef8 100644
--- a/cloudflare-ddns/compose.yaml
+++ b/cloudflare-ddns/compose.yaml
@@ -2,7 +2,7 @@ services:
   cloudflare-ddns:
     image: favonia/cloudflare-ddns:1.15.1
     container_name: cloudflare-ddns
-    user: ${PUID}:${PGID}
+    user: "${PUID}:${PGID}"
     cap_drop:
       - all
     read_only: true