diff --git a/test/DebugProtoTest.thrift b/test/DebugProtoTest.thrift
index fb86bf4..515635e 100644
--- a/test/DebugProtoTest.thrift
+++ b/test/DebugProtoTest.thrift
@@ -1,4 +1,4 @@
-namespace cpp thrift.test
+namespace cpp thrift.test.debug
 namespace java thrift.test
 
 struct Doubles {