diff --git a/compiler/cpp/src/thriftl.ll b/compiler/cpp/src/thriftl.ll
index abda14f..ff1b201 100644
--- a/compiler/cpp/src/thriftl.ll
+++ b/compiler/cpp/src/thriftl.ll
@@ -76,6 +76,7 @@
 "i64"           { return tok_i64;           }
 "double"        { return tok_double;        }
 "string"        { return tok_string;        }
+"binary"        { return tok_binary;        }
 "slist"         { return tok_slist;         }
 "senum"         { return tok_senum;         }
 "map"           { return tok_map;           }