diff --git a/ws/types.go b/ws/types.go
index 90f5f00..9159ac8 100644
--- a/ws/types.go
+++ b/ws/types.go
@@ -1,6 +1,7 @@
 package ws
 
 import (
+	"net"
 	"git.xdrm.io/gws/internal/uri/parser"
 	"git.xdrm.io/gws/ws/frame"
 )
@@ -17,6 +18,7 @@ type Controller struct {
 
 // Represents a websocket srever
 type Server struct {
+	soc net.Listener  // listen socket
 	adr []byte        // server listening ip/host
 	prt uint16        // server listening port
 
@@ -26,6 +28,7 @@ type Server struct {
 
 // Represents a websocket client
 type Client struct {
+	soc net.Conn    // communication socket
 	pro string      // choosen protocol (Sec-WebSocket-Protocol)
 	arg [][]string  // URI parameters, index 0 is full URI, then matching groups
 	dat interface{} // store (for client implementation-specific data)