diff --git a/work_queue/src/ec2_remove_workers b/work_queue/src/ec2_remove_workers
index 2013c4e..3e0feb9 100755
--- a/work_queue/src/ec2_remove_workers
+++ b/work_queue/src/ec2_remove_workers
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 
 show_help() 
 {
