diff --git a/xCAT/postscripts/routeop b/xCAT/postscripts/routeop
index 8fb22fc6f..c0297364f 100755
--- a/xCAT/postscripts/routeop
+++ b/xCAT/postscripts/routeop
@@ -439,7 +439,7 @@ if [ "$op" = "add" ]; then
         else
             if [ "$(uname -s)" = "Linux" ]; then
 	        if [ "$gw" = "" -o "$gw" = "0.0.0.0" ] ; then
-                  cmd="route add -net $net netmask $mask dev $iface"
+                  cmd="route add -net $net netmask $mask dev $ifname"
 		else	
                   cmd="route add -net $net netmask $mask gw $gw"
 		fi