diff --git a/assignment-client/src/metavoxels/MetavoxelServer.cpp b/assignment-client/src/metavoxels/MetavoxelServer.cpp
index fa934142d3..c10215cb57 100644
--- a/assignment-client/src/metavoxels/MetavoxelServer.cpp
+++ b/assignment-client/src/metavoxels/MetavoxelServer.cpp
@@ -37,6 +37,9 @@ const char METAVOXEL_SERVER_LOGGING_NAME[] = "metavoxel-server";
 void MetavoxelServer::run() {
     commonInit(METAVOXEL_SERVER_LOGGING_NAME, NodeType::MetavoxelServer);
     
+    NodeList* nodeList = NodeList::getInstance();
+    nodeList->addNodeTypeToInterestSet(NodeType::Agent);
+    
     _lastSend = QDateTime::currentMSecsSinceEpoch();
     _sendTimer.start(SEND_INTERVAL);
 }
diff --git a/libraries/shared/src/NodeList.cpp b/libraries/shared/src/NodeList.cpp
index 8dd3857198..bbb7750a2f 100644
--- a/libraries/shared/src/NodeList.cpp
+++ b/libraries/shared/src/NodeList.cpp
@@ -229,6 +229,7 @@ void NodeList::processNodeData(const HifiSockAddr& senderSockAddr, const QByteAr
             // send back a reply
             SharedNodePointer matchingNode = sendingNodeForPacket(packet);
             if (matchingNode) {
+                matchingNode->setLastHeardMicrostamp(usecTimestampNow());
                 QByteArray replyPacket = constructPingReplyPacket(packet);
                 writeDatagram(replyPacket, matchingNode, senderSockAddr);
             }
@@ -239,6 +240,8 @@ void NodeList::processNodeData(const HifiSockAddr& senderSockAddr, const QByteAr
             SharedNodePointer sendingNode = sendingNodeForPacket(packet);
             
             if (sendingNode) {
+                sendingNode->setLastHeardMicrostamp(usecTimestampNow());
+                
                 // activate the appropriate socket for this node, if not yet updated
                 activateSocketFromNodeCommunication(packet, sendingNode);