diff --git a/parser/aa-teardown b/parser/aa-teardown
index f52cbbd08..7a727439c 100644
--- a/parser/aa-teardown
+++ b/parser/aa-teardown
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 test $# = 0 || {
 	echo "Usage: $0"