diff --git a/compat/check_includes.sh b/compat/check_includes.sh
index 65db950..0090007 100755
--- a/compat/check_includes.sh
+++ b/compat/check_includes.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/usr/bin/env bash
 
 RETVAL=0