diff --git a/src/vmm_mad/remotes/vmware/detach_disk b/src/vmm_mad/remotes/vmware/detach_disk
index 26b4666989..9b8b644140 100755
--- a/src/vmm_mad/remotes/vmware/detach_disk
+++ b/src/vmm_mad/remotes/vmware/detach_disk
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 # -------------------------------------------------------------------------- #
 # Copyright 2002-2012, OpenNebula Project Leads (OpenNebula.org)             #