diff --git a/update-node-image.sh b/update-node-image.sh
index 8375ed3..9515716 100755
--- a/update-node-image.sh
+++ b/update-node-image.sh
@@ -37,6 +37,10 @@ eval $(ssh-agent)
 
 ssh-add $KEY_PATH
 
+while ! echo "true" | remote-bash root@IP; do
+    sleep 1
+done
+
 {
     cat << EOF
 set -eux