diff --git a/services/calibre-web-automated.yml b/services/calibre-web-automated.yml
index 3477244..efe5659 100644
--- a/services/calibre-web-automated.yml
+++ b/services/calibre-web-automated.yml
@@ -38,8 +38,8 @@ services:
     container_name: shelfmark
     environment:
       TZ: ${TZ}
-      UID: ${PUID}
-      GID: ${PGID}
+      PUID: ${PUID}
+      PGID: ${PGID}
       CWA_DB_PATH: "/auth/app.db"
     labels:
       caddy: shelfmark.${DOMAIN_LOCAL}