diff --git a/transport/internet/domainsocket/config.go b/transport/internet/domainsocket/config.go
index 24c819e4b4a..d80fba91cf4 100644
--- a/transport/internet/domainsocket/config.go
+++ b/transport/internet/domainsocket/config.go
@@ -16,8 +16,8 @@ func (c *Config) GetUnixAddr() (*net.UnixAddr, error) {
 	if path == "" {
 		return nil, newError("empty domain socket path")
 	}
-	if c.Abstract && path[0] != '@' {
-		path = "@" + path
+	if c.Abstract && path[0] != '\x00' {
+		path = "\x00" + path
 	}
 	if c.Abstract && c.Padding {
 		raw := []byte(path)
diff --git a/transport/internet/domainsocket/config.pb.go b/transport/internet/domainsocket/config.pb.go
index f601c4f1c8f..a28f962bafa 100644
--- a/transport/internet/domainsocket/config.pb.go
+++ b/transport/internet/domainsocket/config.pb.go
@@ -1,6 +1,7 @@
 package domainsocket
 
 import (
+	_ "github.com/v2fly/v2ray-core/v5/common/protoext"
 	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
 	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
 	reflect "reflect"
@@ -92,23 +93,27 @@ var file_transport_internet_domainsocket_config_proto_rawDesc = []byte{
 	0x74, 0x2f, 0x63, 0x6f, 0x6e, 0x66, 0x69, 0x67, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x12, 0x2a,
 	0x76, 0x32, 0x72, 0x61, 0x79, 0x2e, 0x63, 0x6f, 0x72, 0x65, 0x2e, 0x74, 0x72, 0x61, 0x6e, 0x73,
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+	0x67, 0x18, 0x03, 0x20, 0x01, 0x28, 0x08, 0x52, 0x07, 0x70, 0x61, 0x64, 0x64, 0x69, 0x6e, 0x67,
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+	0x72, 0x65, 0x2e, 0x74, 0x72, 0x61, 0x6e, 0x73, 0x70, 0x6f, 0x72, 0x74, 0x2e, 0x69, 0x6e, 0x74,
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+	0x65, 0x74, 0x50, 0x01, 0x5a, 0x3e, 0x67, 0x69, 0x74, 0x68, 0x75, 0x62, 0x2e, 0x63, 0x6f, 0x6d,
+	0x2f, 0x76, 0x32, 0x66, 0x6c, 0x79, 0x2f, 0x76, 0x32, 0x72, 0x61, 0x79, 0x2d, 0x63, 0x6f, 0x72,
+	0x65, 0x2f, 0x76, 0x35, 0x2f, 0x74, 0x72, 0x61, 0x6e, 0x73, 0x70, 0x6f, 0x72, 0x74, 0x2f, 0x69,
+	0x6e, 0x74, 0x65, 0x72, 0x6e, 0x65, 0x74, 0x2f, 0x64, 0x6f, 0x6d, 0x61, 0x69, 0x6e, 0x73, 0x6f,
+	0x63, 0x6b, 0x65, 0x74, 0xaa, 0x02, 0x2a, 0x56, 0x32, 0x52, 0x61, 0x79, 0x2e, 0x43, 0x6f, 0x72,
+	0x65, 0x2e, 0x54, 0x72, 0x61, 0x6e, 0x73, 0x70, 0x6f, 0x72, 0x74, 0x2e, 0x49, 0x6e, 0x74, 0x65,
+	0x72, 0x6e, 0x65, 0x74, 0x2e, 0x44, 0x6f, 0x6d, 0x61, 0x69, 0x6e, 0x53, 0x6f, 0x63, 0x6b, 0x65,
+	0x74, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (
diff --git a/transport/internet/domainsocket/config.proto b/transport/internet/domainsocket/config.proto
index 1188b595f11..b6b98b4dd28 100644
--- a/transport/internet/domainsocket/config.proto
+++ b/transport/internet/domainsocket/config.proto
@@ -6,7 +6,12 @@ option go_package = "github.com/v2fly/v2ray-core/v5/transport/internet/domainsoc
 option java_package = "com.v2ray.core.transport.internet.domainsocket";
 option java_multiple_files = true;
 
+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 = "domainsocket";
+
   // Path of the domain socket. This overrides the IP/Port parameter from
   // upstream caller.
   string path = 1;