diff --git a/scripts/bootstrap-boka.sh b/scripts/bootstrap-boka.sh
index abc64f7..2ec6a5f 100755
--- a/scripts/bootstrap-boka.sh
+++ b/scripts/bootstrap-boka.sh
@@ -43,6 +43,9 @@ ENVEOF
   grep WEBHOOK_SECRET .env
 fi
 
+grep -q '^HOST_UID=' .env 2>/dev/null || echo "HOST_UID=\$(id -u)" >> .env
+grep -q '^HOST_GID=' .env 2>/dev/null || echo "HOST_GID=\$(id -g)" >> .env
+
 docker compose up -d --build
 docker compose ps
 EOF