diff --git a/test/DebugProtoTest.thrift b/test/DebugProtoTest.thrift
index 48a8d6f..fb4ce07 100644
--- a/test/DebugProtoTest.thrift
+++ b/test/DebugProtoTest.thrift
@@ -163,7 +163,7 @@
 
 
 service Srv {
-  i32 Janky(i32 arg);
+  i32 Janky(1: i32 arg);
   
   // return type only methods
   
@@ -173,7 +173,7 @@
 }
 
 service Inherited extends Srv {
-  i32 identity(i32 arg)
+  i32 identity(1: i32 arg)
 }
 
 service EmptyService {}