diff --git a/docker-rsync/hosts-add b/docker-rsync/hosts-add
index a2c5e79..3147a47 100755
--- a/docker-rsync/hosts-add
+++ b/docker-rsync/hosts-add
@@ -2,4 +2,4 @@
 
 set -eu
 
-printf '%s\n' "$@" >> $HOME/.ssh/known_hosts
+echo "$@" >> $HOME/.ssh/known_hosts