diff --git a/encoding/protobuf/testdata/client_config.proto.out.cue b/encoding/protobuf/testdata/client_config.proto.out.cue
index fc7f747..a3db5df 100644
--- a/encoding/protobuf/testdata/client_config.proto.out.cue
+++ b/encoding/protobuf/testdata/client_config.proto.out.cue
@@ -144,7 +144,9 @@
 	//  Map of control configuration indexed by destination.service. This
 	//  is used to support per-service configuration for cases where a
 	//  mixerclient serves multiple services.
-	serviceConfigs <_>: ServiceConfig
+	serviceConfigs: {
+		<_>: ServiceConfig
+	} @protobuf(2,type=map<string,ServiceConfig>,service_configs)
 
 	//  Default destination service name if none was specified in the
 	//  client request.