diff --git a/lib/kamal/cli/templates/sample_hooks/docker-setup.sample b/lib/kamal/cli/templates/sample_hooks/docker-setup.sample
index fe68b937..ce263fff 100755
--- a/lib/kamal/cli/templates/sample_hooks/docker-setup.sample
+++ b/lib/kamal/cli/templates/sample_hooks/docker-setup.sample
@@ -1,4 +1,4 @@
-#!/usr/bin/env ruby
+#!/bin/sh
 
 # A sample docker-setup hook
 #