diff --git a/MonoGame.Framework/Net/NetworkSession.cs b/MonoGame.Framework/Net/NetworkSession.cs
index 33d2a3f71b8..e2820d63422 100644
--- a/MonoGame.Framework/Net/NetworkSession.cs
+++ b/MonoGame.Framework/Net/NetworkSession.cs
@@ -763,7 +763,9 @@ private void ProcessSendData(CommandSendData command)
 								command.data);
 			crd.gamer = command.sender;
 			foreach(LocalNetworkGamer gamer in _localGamers) {
-				gamer.receivedData.Enqueue(crd);
+				lock (gamer.receivedData) {
+					gamer.receivedData.Enqueue(crd);
+				}
 			}
 		}