diff --git a/test/ThriftTest.thrift b/test/ThriftTest.thrift
index 5e927b5..88fbd79 100644
--- a/test/ThriftTest.thrift
+++ b/test/ThriftTest.thrift
@@ -94,7 +94,8 @@
 struct CrazyNesting {
   1: string string_field,
   2: optional set<Insanity> set_field,
-  3: required list< map<set<i32>,map<i32,set<list<map<Insanity,string>>>>>> list_field
+  3: required list< map<set<i32>,map<i32,set<list<map<Insanity,string>>>>>> list_field,
+  4: binary binary_field
 }
 
 exception Xception {