diff --git a/apps/vtn/vtnweb/src/main/java/org/onosproject/vtnweb/web/PortChainCodec.java b/apps/vtn/vtnweb/src/main/java/org/onosproject/vtnweb/web/PortChainCodec.java
index 77706b5..8c43058 100644
--- a/apps/vtn/vtnweb/src/main/java/org/onosproject/vtnweb/web/PortChainCodec.java
+++ b/apps/vtn/vtnweb/src/main/java/org/onosproject/vtnweb/web/PortChainCodec.java
@@ -76,7 +76,7 @@
         ArrayNode arrayNode = (ArrayNode) json.path(PORT_PAIR_GROUPS);
         if (arrayNode != null) {
             List<PortPairGroupId> list = Lists.newArrayList();
-            arrayNode.forEach(i -> list.add(PortPairGroupId.portPairGroupId(i.asText())));
+            arrayNode.forEach(i -> list.add(PortPairGroupId.of(i.asText())));
             resultBuilder.setPortPairGroups(list);
         }