diff --git a/macros/CCEScan/batch/submitLandau.sh b/macros/CCEScan/batch/submitLandau.sh
index 352843b..c32a226 100644
--- a/macros/CCEScan/batch/submitLandau.sh
+++ b/macros/CCEScan/batch/submitLandau.sh
@@ -1,3 +1,5 @@
+#!/bin/bash
+
 # to remove erroneous jobs:
 # for job in `qstat | grep ${USER} | awk '{print $1;}'`; do qdel ${job}@farm-ce; done