diff --git a/common/make_jar.sh b/common/make_jar.sh
index 7632d64d..3d073a0d 100644
--- a/common/make_jar.sh
+++ b/common/make_jar.sh
@@ -1,4 +1,4 @@
-#!/bin/dash
+#!/bin/bash
 set -e
 
 top=$(pwd)