diff --git a/asterix-installer/src/main/resources/zookeeper/zk.init b/asterix-installer/src/main/resources/zookeeper/zk.init
index 8ef6f5f..6b26363 100644
--- a/asterix-installer/src/main/resources/zookeeper/zk.init
+++ b/asterix-installer/src/main/resources/zookeeper/zk.init
@@ -1,3 +1,5 @@
+#!/usr/bin/env bash
+
 ZK_HOME=$1
 SERVER_JAVA_HOME=$2
 shift 2