diff --git a/autogen.sh b/autogen.sh
index d6aac56..dfa8610 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/bin/sh
 
 rm -f include/config.h include/config.h.in include/config.h.in~ config.mak configure