diff --git a/wireshark_gen/field_info.py b/wireshark_gen/field_info.py
index 2e9231f..167ff32 100644
--- a/wireshark_gen/field_info.py
+++ b/wireshark_gen/field_info.py
@@ -50,6 +50,7 @@
     "of_match_t": "bytes",
     "of_oxm_t": "bytes",
     "of_meter_features_t": "bytes",
+    "of_bitmap_128_t": "bytes",
 }
 
 # Map from LOXI type to Wireshark base
@@ -77,6 +78,7 @@
     "of_match_t": "NONE",
     "of_oxm_t": "NONE",
     "of_meter_features_t": "NONE",
+    "of_bitmap_128_t": "NONE",
 }
 
 # Override oftype_to_base for certain field names