diff --git a/hyracks-fullstack/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/NodeHeartbeatWork.java b/hyracks-fullstack/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/NodeHeartbeatWork.java
index 6fa6224..481c2e0 100644
--- a/hyracks-fullstack/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/NodeHeartbeatWork.java
+++ b/hyracks-fullstack/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/NodeHeartbeatWork.java
@@ -27,6 +27,7 @@
 import org.apache.hyracks.control.cc.cluster.INodeManager;
 import org.apache.hyracks.control.common.heartbeat.HeartbeatData;
 import org.apache.hyracks.control.common.ipc.NodeControllerRemoteProxy;
+import org.apache.hyracks.util.NetworkUtil;
 import org.apache.logging.log4j.Level;
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
@@ -50,10 +51,11 @@
             ncState.getNodeController().heartbeatAck(ccs.getCcId(), null);
         } else {
             // unregistered nc- let him know
+            InetSocketAddress refreshedNcAddress = NetworkUtil.refresh(ncAddress);
             LOGGER.info("received a heartbeat from unregistered node {}; sending negative ack to node address {}",
-                    nodeId, ncAddress);
-            NodeControllerRemoteProxy nc =
-                    new NodeControllerRemoteProxy(ccs.getCcId(), ccs.getClusterIPC().getReconnectingHandle(ncAddress));
+                    nodeId, refreshedNcAddress);
+            NodeControllerRemoteProxy nc = new NodeControllerRemoteProxy(ccs.getCcId(),
+                    ccs.getClusterIPC().getReconnectingHandle(refreshedNcAddress));
             nc.heartbeatAck(ccs.getCcId(), HyracksDataException.create(ErrorCode.NO_SUCH_NODE, nodeId));
         }
     }