diff --git a/src/etc/rc.syshook.d/early/20-backup b/src/etc/rc.syshook.d/early/20-backup
index f0a65273b..71da726a3 100755
--- a/src/etc/rc.syshook.d/early/20-backup
+++ b/src/etc/rc.syshook.d/early/20-backup
@@ -4,4 +4,5 @@
 /usr/local/etc/rc.syshook backup restore
 
 # Flush cache, kind of a backup now and maybe even more so in the future
-configctl unbound cache flush
+# XXX also requires an echo -n
+#configctl unbound cache flush