diff --git a/forge/forge_common/net/minecraft/src/forge/packets/PacketEntitySpawn.java b/forge/forge_common/net/minecraft/src/forge/packets/PacketEntitySpawn.java
index c428221f4e..6e0341396b 100644
--- a/forge/forge_common/net/minecraft/src/forge/packets/PacketEntitySpawn.java
+++ b/forge/forge_common/net/minecraft/src/forge/packets/PacketEntitySpawn.java
@@ -75,7 +75,7 @@ public class PacketEntitySpawn extends ForgePacket
     {
         data.writeInt(modID);
         data.writeInt(entityID);
-        data.writeByte(typeID);
+        data.writeByte(typeID & 0xFF);
         data.writeInt(posX);
         data.writeInt(posY);
         data.writeInt(posZ);