diff --git a/xCAT-server/share/xcat/scripts/setup-server-cert.sh b/xCAT-server/share/xcat/scripts/setup-server-cert.sh
index 11bdf8693..684c15187 100755
--- a/xCAT-server/share/xcat/scripts/setup-server-cert.sh
+++ b/xCAT-server/share/xcat/scripts/setup-server-cert.sh
@@ -1,3 +1,4 @@
+#!/bin/bash
 # IBM(c) 2007 EPL license http://www.eclipse.org/legal/epl-v10.html
 #XCATDIR=`gettab key=xcatconfdir site.value`
 if [ -z "$XCATDIR" ]; then
diff --git a/xCAT-server/share/xcat/scripts/setup-xcat-ca.sh b/xCAT-server/share/xcat/scripts/setup-xcat-ca.sh
index b124fd32b..7a4c1b299 100755
--- a/xCAT-server/share/xcat/scripts/setup-xcat-ca.sh
+++ b/xCAT-server/share/xcat/scripts/setup-xcat-ca.sh
@@ -1,3 +1,4 @@
+#!/bin/bash
 #XCATDIR=`gettab key=xcatconfdir site.value`
 # IBM(c) 2007 EPL license http://www.eclipse.org/legal/epl-v10.html
 if [ -z "$XCATROOT" ]; then