diff --git a/src/proto/grpc/testing/messages.proto b/src/proto/grpc/testing/messages.proto
index 367752d77bb1bffdaf954a8a38cfee977d11cd3d..64998c2f2310230a6bd7076a2c116c7a386d4511 100644
--- a/src/proto/grpc/testing/messages.proto
+++ b/src/proto/grpc/testing/messages.proto
@@ -32,6 +32,8 @@
 
 syntax = "proto3";
 
+package grpc.testing;
+
 // TODO(dgq): Go back to using well-known types once
 // https://github.com/grpc/grpc/issues/6980 has been fixed.
 // import "google/protobuf/wrappers.proto";
@@ -40,8 +42,6 @@ message BoolValue {
   bool value = 1;
 }
 
-package grpc.testing;
-
 // DEPRECATED, don't use. To be removed shortly.
 // The type of payload that should be returned.
 enum PayloadType {