diff --git a/lib/alterl/include/thrift_protocol.hrl b/lib/alterl/include/thrift_protocol.hrl
index 66222d6..3493f2e 100644
--- a/lib/alterl/include/thrift_protocol.hrl
+++ b/lib/alterl/include/thrift_protocol.hrl
@@ -2,6 +2,7 @@
 -define(THRIFT_PROTOCOL_INCLUDED, yea).
 
 -record(protocol_message_begin, {name, type, seqid}).
+-record(protocol_struct_begin, {name}).
 -record(protocol_field_begin, {name, type, id}).
 -record(protocol_map_begin, {ktype, vtype, size}).
 -record(protocol_list_begin, {etype, size}).