diff --git a/Source/Common/Networking/Packet/JoinDataPacket.cs b/Source/Common/Networking/Packet/JoinDataPacket.cs
index 8e26e7b2..641d493f 100644
--- a/Source/Common/Networking/Packet/JoinDataPacket.cs
+++ b/Source/Common/Networking/Packet/JoinDataPacket.cs
@@ -17,7 +17,8 @@ public void Bind(PacketBuffer buf)
         buf.Bind(ref rwVersion);
         buf.Bind(ref mpVersion);
         buf.Bind(ref defStatus, BinderOf.Enum<DefCheckStatus>());
-        buf.BindRemaining(ref rawServerInitData);
+        // Max 512KiB. Should be way more than enough. As an example, one game with ~100 mods used ~35KiB.
+        buf.BindRemaining(ref rawServerInitData, maxLength: 1<<19);
     }
 }