diff --git a/wireshark_gen/templates/_oftype_readers.lua b/wireshark_gen/templates/_oftype_readers.lua
index 48cb447..ad0f0c2 100644
--- a/wireshark_gen/templates/_oftype_readers.lua
+++ b/wireshark_gen/templates/_oftype_readers.lua
@@ -49,6 +49,10 @@
     read_scalar(reader, subtree, field_name, 16)
 end
 
+function read_of_bitmap_512_t(reader, version, subtree, field_name)
+    read_scalar(reader, subtree, field_name, 64)
+end
+
 function read_of_checksum_128_t(reader, version, subtree, field_name)
     read_scalar(reader, subtree, field_name, 16)
 end