diff --git a/xCAT/postscripts/routeop b/xCAT/postscripts/routeop
index 236453aab..66c58808f 100755
--- a/xCAT/postscripts/routeop
+++ b/xCAT/postscripts/routeop
@@ -756,6 +756,14 @@ rm_persistent_route()
         else
             echo "Persistent route file $filename does not exist."
         fi
+        filename="/etc/sysconfig/network";
+        if [ "$net" = "default" -a -f $filename ]; then
+            grep "GATEWAY=$gw" $filename >/dev/null 2>&1
+            if [ $? -eq 0 ]; then
+                sed -i '/GATEWAY=/d' $filename
+                echo "Persistent GATEWAY=$gw removed from $filename."
+            fi
+        fi
         ;;
     esac
     else #AIX