diff --git a/core/src/mindustry/Vars.java b/core/src/mindustry/Vars.java
index f42d55ad13..e890156fc6 100644
--- a/core/src/mindustry/Vars.java
+++ b/core/src/mindustry/Vars.java
@@ -132,6 +132,8 @@ public class Vars implements Loadable{
         Color.valueOf("4b5ef1"),
         Color.valueOf("2cabfe"),
     };
+    /** maximum TCP packet size */
+    public static final int maxTcpSize = 900;
     /** default server port */
     public static final int port = 6567;
     /** multicast discovery port.*/
diff --git a/core/src/mindustry/net/NetConnection.java b/core/src/mindustry/net/NetConnection.java
index 87eedd6675..3d9ac3e5ee 100644
--- a/core/src/mindustry/net/NetConnection.java
+++ b/core/src/mindustry/net/NetConnection.java
@@ -90,7 +90,7 @@ public abstract class NetConnection{
             cid = begin.id;
 
             while(stream.stream.available() > 0){
-                byte[] bytes = new byte[Math.min(512, stream.stream.available())];
+                byte[] bytes = new byte[Math.min(maxTcpSize, stream.stream.available())];
                 stream.stream.read(bytes);
 
                 StreamChunk chunk = new StreamChunk();