diff --git a/transport/internet/quic/config.proto b/transport/internet/quic/config.proto
index 6672ed559..256f8a583 100644
--- a/transport/internet/quic/config.proto
+++ b/transport/internet/quic/config.proto
@@ -9,7 +9,12 @@ option java_multiple_files = true;
 import "google/protobuf/any.proto";
 import "common/protocol/headers.proto";
 
+import "common/protoext/extensions.proto";
+
 message Config {
+  option (v2ray.core.common.protoext.message_opt).type = "transport";
+  option (v2ray.core.common.protoext.message_opt).short_name = "quic";
+
   string key = 1;
   v2ray.core.common.protocol.SecurityConfig security = 2;
   google.protobuf.Any header = 3;