diff --git a/xCAT-server/share/xcat/netboot/rh/genimage b/xCAT-server/share/xcat/netboot/rh/genimage
index a79194f235..166a382470 100755
--- a/xCAT-server/share/xcat/netboot/rh/genimage
+++ b/xCAT-server/share/xcat/netboot/rh/genimage
@@ -1178,8 +1178,10 @@ sub mkinitrd_dracut {
 
 
     print "\nchroot $rootimg_dir dracut $additional_options -f /tmp/initrd.$$.gz $kernelver\n";
+    mount_chroot($rootimg_dir);
     !system("chroot $rootimg_dir dracut $additional_options -f /tmp/initrd.$$.gz $kernelver")
-      or die("Error: failed to generate the initial ramdisk for $mode.\n");
+      or xdie("Error: failed to generate the initial ramdisk for $mode.\n");
+    umount_chroot($rootimg_dir);
     print "the initial ramdisk for $mode is generated successfully.\n";
     move("$rootimg_dir/tmp/initrd.$$.gz", "$destdir/initrd-$mode.gz");
 }