diff --git a/photoprism/config.json b/photoprism/config.json
index 364455745..7948d67f1 100644
--- a/photoprism/config.json
+++ b/photoprism/config.json
@@ -40,6 +40,7 @@
     "/dev/nvme2"
   ],
   "environment": {
+    "PHOTOPRISM_ADMIN_USER": "admin",
     "PHOTOPRISM_ADMIN_PASSWORD": "please_change_password",
     "PHOTOPRISM_HTTP_PORT": "2341",
     "working_dir": "/data/photoprism"