diff --git a/lib/erl/include/thrift_protocol.hrl b/lib/erl/include/thrift_protocol.hrl
index f4e1901..fa95acf 100644
--- a/lib/erl/include/thrift_protocol.hrl
+++ b/lib/erl/include/thrift_protocol.hrl
@@ -18,7 +18,7 @@
 %%
 
 -ifndef(THRIFT_PROTOCOL_INCLUDED).
--define(THRIFT_PROTOCOL_INCLUDED, yea).
+-define(THRIFT_PROTOCOL_INCLUDED, true).
 
 -record(protocol_message_begin, {name, type, seqid}).
 -record(protocol_struct_begin, {name}).