diff --git a/common/cpw/mods/fml/common/network/FMLPacket.java b/common/cpw/mods/fml/common/network/FMLPacket.java
index f1207fd1a3..b54c9a0efd 100644
--- a/common/cpw/mods/fml/common/network/FMLPacket.java
+++ b/common/cpw/mods/fml/common/network/FMLPacket.java
@@ -110,7 +110,7 @@ public abstract class FMLPacket
         for (int i = 0; i < packetData.length / 32000 + 1; i++)
         {
             int len = Math.min(32000, packetData.length - i* 32000);
-            chunks[i] = Bytes.concat(new byte[] { UnsignedBytes.checkedCast(type.ordinal()), UnsignedBytes.checkedCast(i), UnsignedBytes.checkedCast(chunks.length)}, Ints.toByteArray(len), Arrays.copyOfRange(packetData, i * 32000, len));
+            chunks[i] = Bytes.concat(new byte[] { UnsignedBytes.checkedCast(type.ordinal()), UnsignedBytes.checkedCast(i), UnsignedBytes.checkedCast(chunks.length)}, Ints.toByteArray(len), Arrays.copyOfRange(packetData, i * 32000, len + i * 32000));
         }
         return chunks;
     }