diff --git a/apps/openstacknetworking/src/main/java/org/onosproject/openstacknetworking/impl/OpenstackRoutingSnatHandler.java b/apps/openstacknetworking/src/main/java/org/onosproject/openstacknetworking/impl/OpenstackRoutingSnatHandler.java
index bfb0701..217a981 100644
--- a/apps/openstacknetworking/src/main/java/org/onosproject/openstacknetworking/impl/OpenstackRoutingSnatHandler.java
+++ b/apps/openstacknetworking/src/main/java/org/onosproject/openstacknetworking/impl/OpenstackRoutingSnatHandler.java
@@ -192,7 +192,7 @@
                 TpPort.tpPort(patPort),
                 externalGatewayIp);
 
-        packetOut((Ethernet) eth.clone(),
+        packetOut(eth.duplicate(),
                 packetIn.receivedFrom().deviceId(),
                 patPort,
                 externalGatewayIp);