diff --git a/java_gen/pre-written/src/main/java/org/projectfloodlight/openflow/types/VlanPcp.java b/java_gen/pre-written/src/main/java/org/projectfloodlight/openflow/types/VlanPcp.java
index ee7d06c..f6993fe 100644
--- a/java_gen/pre-written/src/main/java/org/projectfloodlight/openflow/types/VlanPcp.java
+++ b/java_gen/pre-written/src/main/java/org/projectfloodlight/openflow/types/VlanPcp.java
@@ -54,7 +54,7 @@
     }
 
     public void writeByte(ChannelBuffer c) {
-        c.writeShort(this.pcp);
+        c.writeByte(this.pcp);
     }
 
     public static VlanPcp readByte(ChannelBuffer c) throws OFParseError {