diff --git a/interface/src/Application.cpp b/interface/src/Application.cpp
index 06aa5cd36d..c41b90cf29 100644
--- a/interface/src/Application.cpp
+++ b/interface/src/Application.cpp
@@ -2660,9 +2660,7 @@ int Application::sendNackPackets() {
         return 0;
     }
 
-    int packetsSent = 0;
-
-    auto nackPacket { NLPacket::create(PacketType::OctreeDataNack); }
+    PacketList nackPacketList = PacketList(PacketType::OctreeDataNack);
 
     // iterates thru all nodes in NodeList
     auto nodeList = DependencyManager::get<NodeList>();
@@ -2696,34 +2694,23 @@ int Application::sendNackPackets() {
 
             // construct nack packet(s) for this node
             int numSequenceNumbersAvailable = missingSequenceNumbers.size();
-            QSet<OCTREE_PACKET_SEQUENCE>::const_iterator missingSequenceNumbersIterator = missingSequenceNumbers.constBegin();
-            while (numSequenceNumbersAvailable > 0) {
 
-                // reset the position we are writing at and the size we have used
-                nackPacket->seek(0);
-                nackPacket->setSizeUsed(0);
-
-                // calculate and pack the number of sequence numbers
-                int numSequenceNumbersRoomFor = (nackPacket->size() - sizeof(uint16_t)) / sizeof(OCTREE_PACKET_SEQUENCE);
-                uint16_t numSequenceNumbers = min(numSequenceNumbersAvailable, numSequenceNumbersRoomFor);
-
-                nackPacket->write(&numSequenceNumbers, sizeof(numSequenceNumbers));
-
-                // pack sequence numbers
-                for (int i = 0; i < numSequenceNumbers; i++) {
-                    OCTREE_PACKET_SEQUENCE missingNumber = *missingSequenceNumbersIterator;
-                    nackPacket->write(&missingNumber, sizeof(OCTREE_PACKET_SEQUENCE));
-                    missingSequenceNumbersIterator++;
-                }
-                numSequenceNumbersAvailable -= numSequenceNumbers;
-
-                // send the packet
-                nodeList->sendUnreliablePacket(packet, node);
-                packetsSent++;
+            auto it = missingSequenceNumbers.constBegin();
+            while (it != missingSequenceNumbers.constEnd()) {
+                OCTREE_PACKET_SEQUENCE missingNumber = *it;
+                nackPacketList->write(&missingNumber, sizeof(OCTREE_PACKET_SEQUENCE));
+                ++it;
             }
         }
     });
 
+    int packetsSent = nackPacketList.getNumPackets();
+
+    if (packetsSent) {
+        // send the packet list
+        nodeList->sendPacketList(nackPacketList, node);
+    }
+
     return packetsSent;
 }
 
diff --git a/libraries/networking/src/PacketHeaders.cpp b/libraries/networking/src/PacketHeaders.cpp
index 396ca63d71..cab062165f 100644
--- a/libraries/networking/src/PacketHeaders.cpp
+++ b/libraries/networking/src/PacketHeaders.cpp
@@ -89,6 +89,8 @@ PacketVersion versionForPacketType(PacketType::Value packetType) {
             return 2;
         case OctreeStats:
             return 1;
+        case OctreeDataNack:
+            return 1;
         case StopNode:
             return 1;
         case EntityAdd: