diff --git a/roles/nhc/files/scripts/check_lustre_health.nhc b/roles/nhc/files/scripts/check_lustre_health.nhc
index 5c3468c26273979cce4363dbd340ac1e11aad813..2116911c23b849cf17b01f18a80130c1176aa467 100644
--- a/roles/nhc/files/scripts/check_lustre_health.nhc
+++ b/roles/nhc/files/scripts/check_lustre_health.nhc
@@ -1,3 +1,5 @@
+#!/bin/bash
+
 function  check_lustre_health() {
 # lustre health check file is different on different versions
 HEALTH_FILE="/proc/fs/lustre/health_check"