diff --git a/xCAT-server/share/xcat/netboot/ubuntu/compute.postinstall b/xCAT-server/share/xcat/netboot/ubuntu/compute.postinstall
index 1e6ed8dc3..26a801c61 100755
--- a/xCAT-server/share/xcat/netboot/ubuntu/compute.postinstall
+++ b/xCAT-server/share/xcat/netboot/ubuntu/compute.postinstall
@@ -49,5 +49,5 @@ chroot $installroot \
  locale-gen en_US.UTF-8 en_US
 chroot $installroot \
  update-locale
-chroot $installroot \
+DEBIAN_FRONTEND=noninteractive chroot $installroot \
  dpkg-reconfigure locales