diff --git a/xCAT/postscripts/mkresolvconf b/xCAT/postscripts/mkresolvconf
index 95ea24a52..8b4b58d69 100755
--- a/xCAT/postscripts/mkresolvconf
+++ b/xCAT/postscripts/mkresolvconf
@@ -4,9 +4,9 @@
 #---------------------------------------------------------------------------
 #  create an /etc/resolv.conf file on the node
 #
-#	- this script assumes the nameserver for the node will be 
-#		the value of the "xcatmaster" attribute (SN as known by 
-#		the node) or the name of the management node as known 
+#	- this script assumes the nameserver for the node will be
+#		the value of the "xcatmaster" attribute (SN as known by
+#		the node) or the name of the management node as known
 #		by the node.
 
 #---------------------------------------------------------------------------
@@ -15,8 +15,8 @@ conf_file="/etc/resolv.conf"
 conf_file_bak="/etc/resolv.conf.bak"
 
 # get values set when the myxcatpost_<node> script was run
-master=$MASTER  # this is the ip for the nodes xcatmaster attribute
-domain=$DOMAIN  # this is the domain name used in this cluster
+master=$MASTER_IP  # this is the ip for the nodes xcatmaster attribute
+domain=$DOMAIN     # this is the domain name used in this cluster
 node=$NODE
 
 if [ -n "$master" ] && [ -n "$domain" ]; then
@@ -25,7 +25,7 @@ if [ -n "$master" ] && [ -n "$domain" ]; then
 	cp $conf_file $conf_file_bak > /dev/null 2>&1
 	echo "search $domain" >$conf_file
 	echo "nameserver $master" >>$conf_file
-else     
+else
 	logger -t xcat -p local4.err "Could not create resolv.conf on $node."
 	exit 1
 fi