diff --git a/memcached/files/check_memcached_instances.sh b/memcached/files/check_memcached_instances.sh
index 9e468670..e97352f7 100644
--- a/memcached/files/check_memcached_instances.sh
+++ b/memcached/files/check_memcached_instances.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 
 # {{ ansible_managed }}