diff --git a/tests/data/acpi/rebuild-expected-aml.sh b/tests/data/acpi/rebuild-expected-aml.sh
index bf9ba242ad..abdff70a0d 100755
--- a/tests/data/acpi/rebuild-expected-aml.sh
+++ b/tests/data/acpi/rebuild-expected-aml.sh
@@ -1,4 +1,4 @@
-#! /bin/bash
+#!/usr/bin/env bash
 
 #
 # Rebuild expected AML files for acpi unit-test