diff --git a/v3_0/scripts/init.sh b/v3_0/scripts/init.sh
index 771308b..75f2e3a 100755
--- a/v3_0/scripts/init.sh
+++ b/v3_0/scripts/init.sh
@@ -1,3 +1,4 @@
+#!/usr/bin/env bash
 # from pim project
 set -e
 cd "$(dirname "$0")"