diff --git a/build_aarch64.sh b/build_aarch64.sh
index 17d1bf9..9c276be 100755
--- a/build_aarch64.sh
+++ b/build_aarch64.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 
 pushd build 2>&1 >/dev/null