diff --git a/src/main/java/org/jboss/netty/handler/codec/frame/LengthFieldPrepender.java b/src/main/java/org/jboss/netty/handler/codec/frame/LengthFieldPrepender.java
index 2f6850610a..3cb222c60a 100644
--- a/src/main/java/org/jboss/netty/handler/codec/frame/LengthFieldPrepender.java
+++ b/src/main/java/org/jboss/netty/handler/codec/frame/LengthFieldPrepender.java
@@ -68,7 +68,7 @@ public class LengthFieldPrepender extends OneToOneEncoder {
         ChannelBuffer body = (ChannelBuffer) msg;
 
         int length = lengthIncludesLengthFieldLength?
-                body.readableBytes() : body.readableBytes() + lengthFieldLength;
+                body.readableBytes() + lengthFieldLength : body.readableBytes();
         switch (lengthFieldLength) {
         case 1:
             header.writeByte((byte) length);