diff --git a/java_gen/pre-written/src/main/java/org/projectfloodlight/openflow/types/OFBitMask512.java b/java_gen/pre-written/src/main/java/org/projectfloodlight/openflow/types/OFBitMask512.java
index e05df4c..3fe9b88 100644
--- a/java_gen/pre-written/src/main/java/org/projectfloodlight/openflow/types/OFBitMask512.java
+++ b/java_gen/pre-written/src/main/java/org/projectfloodlight/openflow/types/OFBitMask512.java
@@ -119,7 +119,7 @@
             word = raw2;
             bit -= 384;
         } else {
-            word = raw1; // ports -512
+            word = raw1;
             bit -= 448;
         }
         return (word & ((long)1 << bit)) != 0;