diff --git a/scripts/start b/scripts/start
index b8f2c630..bed48a77 100755
--- a/scripts/start
+++ b/scripts/start
@@ -3,6 +3,9 @@
 # shellcheck source=start-utils
 . "${SCRIPTS:-/}start-utils"
 
+: "${UID:=1000}"
+: "${GID:=1000}"
+
 umask 0002
 chmod g+w /data