diff --git a/java_gen/pre-written/src/main/java/org/projectfloodlight/openflow/protocol/match/MatchFields.java b/java_gen/pre-written/src/main/java/org/projectfloodlight/openflow/protocol/match/MatchFields.java
index 863634e..77494cb 100644
--- a/java_gen/pre-written/src/main/java/org/projectfloodlight/openflow/protocol/match/MatchFields.java
+++ b/java_gen/pre-written/src/main/java/org/projectfloodlight/openflow/protocol/match/MatchFields.java
@@ -38,6 +38,7 @@
     IPV6_ND_TLL,
     MPLS_LABEL,
     MPLS_TC,
+    MPLS_BOS,
     TUNNEL_ID,
     BSN_IN_PORTS_128,
     BSN_LAG_ID,