diff --git a/Unity-Technologies-networking/Runtime/ClientScene.cs b/Unity-Technologies-networking/Runtime/ClientScene.cs
index 678b14b91..db3f46f93 100644
--- a/Unity-Technologies-networking/Runtime/ClientScene.cs
+++ b/Unity-Technologies-networking/Runtime/ClientScene.cs
@@ -657,25 +657,24 @@ static void OnSyncEventMessage(NetworkMessage netMsg)
 
         static void OnSyncListMessage(NetworkMessage netMsg)
         {
-            var netId = netMsg.reader.ReadNetworkId();
-            var cmdHash = (int)netMsg.reader.ReadPackedUInt32();
+            SyncListMessage message = netMsg.ReadMessage<SyncListMessage>();
 
-            if (LogFilter.logDebug) { Debug.Log("ClientScene::OnSyncListMessage " + netId); }
+            if (LogFilter.logDebug) { Debug.Log("ClientScene::OnSyncListMessage " + message.netId); }
 
             NetworkIdentity uv;
-            if (s_NetworkScene.GetNetworkIdentity(netId, out uv))
+            if (s_NetworkScene.GetNetworkIdentity(message.netId, out uv))
             {
-                uv.HandleSyncList(cmdHash, netMsg.reader);
+                uv.HandleSyncList(message.syncListHash, new NetworkReader(message.payload));
             }
             else
             {
-                if (LogFilter.logWarn) { Debug.LogWarning("Did not find target for SyncList message for " + netId); }
+                if (LogFilter.logWarn) { Debug.LogWarning("Did not find target for SyncList message for " + message.netId); }
             }
 
 #if UNITY_EDITOR
             UnityEditor.NetworkDetailStats.IncrementStat(
                 UnityEditor.NetworkDetailStats.NetworkDirection.Outgoing,
-                (short)MsgType.SyncList, NetworkBehaviour.GetCmdHashHandlerName(cmdHash), 1);
+                (short)MsgType.SyncList, NetworkBehaviour.GetCmdHashHandlerName(message.syncListHash), 1);
 #endif
         }
 
diff --git a/Unity-Technologies-networking/Runtime/Messages.cs b/Unity-Technologies-networking/Runtime/Messages.cs
index 788916f08..b009283ef 100644
--- a/Unity-Technologies-networking/Runtime/Messages.cs
+++ b/Unity-Technologies-networking/Runtime/Messages.cs
@@ -203,6 +203,27 @@ public override void Serialize(NetworkWriter writer)
         }
     }
 
+    class SyncListMessage : MessageBase
+    {
+        public NetworkInstanceId netId;
+        public int syncListHash;
+        public byte[] payload;
+
+        public override void Deserialize(NetworkReader reader)
+        {
+            netId = reader.ReadNetworkId();
+            syncListHash = reader.ReadInt32(); // hash is always 4 full bytes, WritePackedInt would send 1 extra byte here
+            payload = reader.ReadBytesAndSize();
+        }
+
+        public override void Serialize(NetworkWriter writer)
+        {
+            writer.Write(netId);
+            writer.Write(syncListHash);
+            writer.WriteBytesAndSize(payload);
+        }
+    }
+
     /* These are not used directly but manually serialized, these are here for reference.
     internal class SyncListMessage<T> where T: struct
     {
diff --git a/Unity-Technologies-networking/Runtime/SyncList.cs b/Unity-Technologies-networking/Runtime/SyncList.cs
index 91a449624..6aa41e32b 100644
--- a/Unity-Technologies-networking/Runtime/SyncList.cs
+++ b/Unity-Technologies-networking/Runtime/SyncList.cs
@@ -3,6 +3,7 @@
 using System.Collections;
 using System.Collections.Generic;
 using System.ComponentModel;
+using UnityEngine.Networking.NetworkSystem;
 
 namespace UnityEngine.Networking
 {
@@ -249,16 +250,20 @@ void SendMsg(Operation op, int itemIndex, T item)
                 return;
             }
 
+
+            // construct and send message
+            SyncListMessage message = new SyncListMessage();
+            message.netId = uv.netId;
+            message.syncListHash = m_CmdHash;
+
             NetworkWriter writer = new NetworkWriter();
-            writer.StartMessage((short)MsgType.SyncList);
-            writer.Write(uv.netId);
-            writer.WritePackedUInt32((uint)m_CmdHash);
             writer.Write((byte)op);
             writer.WritePackedUInt32((uint)itemIndex);
             SerializeItem(writer, item);
-            writer.FinishMessage();
 
-            NetworkServer.SendBytesToReady(uv.gameObject, writer.ToArray(), m_Behaviour.GetNetworkChannel());
+            message.payload = writer.ToArray();
+
+            NetworkServer.SendByChannelToReady(uv.gameObject, (short)MsgType.SyncList, message, m_Behaviour.GetNetworkChannel());
 
 #if UNITY_EDITOR
             UnityEditor.NetworkDetailStats.IncrementStat(