diff --git a/tests/bom.test b/tests/bom.test
index db9ab054..a2e74595 100755
--- a/tests/bom.test
+++ b/tests/bom.test
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 # This script checks for Byte Order Marks in source files
 # which in some places may break compilation/runtime of eSpeak NG
 # Look for more at: https://en.wikipedia.org/wiki/Byte_order_mark