diff --git a/server/src/com/cloud/network/router/VirtualNetworkApplianceManagerImpl.java b/server/src/com/cloud/network/router/VirtualNetworkApplianceManagerImpl.java
index a8c2459fab1..a5ab9e4f339 100755
--- a/server/src/com/cloud/network/router/VirtualNetworkApplianceManagerImpl.java
+++ b/server/src/com/cloud/network/router/VirtualNetworkApplianceManagerImpl.java
@@ -2751,7 +2751,7 @@ public class VirtualNetworkApplianceManagerImpl implements VirtualNetworkApplian
             }
             IpAssocCommand cmd = new IpAssocCommand(ipsToSend);
             cmd.setAccessDetail(NetworkElementCommand.ROUTER_IP, getRouterControlIp(router.getId()));
-            cmd.setAccessDetail(NetworkElementCommand.ROUTER_GUEST_IP, getRouterIpInNetwork(ipAddrList.get(0).getNetworkId(), router.getId()));
+            cmd.setAccessDetail(NetworkElementCommand.ROUTER_GUEST_IP, getRouterIpInNetwork(ipAddrList.get(0).getAssociatedWithNetworkId(), router.getId()));
             cmd.setAccessDetail(NetworkElementCommand.ROUTER_NAME, router.getInstanceName());
             DataCenterVO dcVo = _dcDao.findById(router.getDataCenterIdToDeployIn());
             cmd.setAccessDetail(NetworkElementCommand.ZONE_NETWORK_TYPE, dcVo.getNetworkType().toString());