diff --git a/updater/update.sh b/updater/update.sh
index 7918a71..64000d6 100755
--- a/updater/update.sh
+++ b/updater/update.sh
@@ -10,6 +10,7 @@ set -e
 nohup sh -c '
   cd /appdata
   echo "=== update $(date) ==="
+  git config --global --add safe.directory /appdata
   git fetch origin master
   git reset --hard origin/master
   COMPOSE_PROJECT_NAME=moonbase docker compose up -d --build app