diff --git a/misc/entropy_hwgen.sh b/misc/entropy_hwgen.sh
index 24ee5bdc0..b83b77656 100755
--- a/misc/entropy_hwgen.sh
+++ b/misc/entropy_hwgen.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 # Entropy Hardware hash generator
 
 [[ -x "/sbin/ifconfig" ]] || exit 1