diff --git a/docker-rsync/hosts-init b/docker-rsync/hosts-init
index fa4dbe3..0208e08 100755
--- a/docker-rsync/hosts-init
+++ b/docker-rsync/hosts-init
@@ -2,5 +2,8 @@
 
 set -eu
 
-touch $HOME/.ssh/known_hosts
+if [ ! -f "$HOME/.ssh/known_hosts" ]; then
+    touch $HOME/.ssh/known_hosts
+fi
+
 chmod 600 $HOME/.ssh/known_hosts