diff --git a/deploy/routeros.sh b/deploy/routeros.sh
index e438f25..b22c64f 100644
--- a/deploy/routeros.sh
+++ b/deploy/routeros.sh
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 # Here is a script to deploy cert to routeros router.
 # Deploy the cert to remote routeros