diff --git a/ws/types.go b/ws/types.go
index 1216029..1a467e8 100644
--- a/ws/types.go
+++ b/ws/types.go
@@ -7,7 +7,7 @@ import (
 )
 
 // Represents a websocket controller callback function
-type ControllerFunc func(Client, Frame)
+type ControllerFunc func(*Client, *Frame)
 
 // Represents a websocket controller
 type Controller struct {
@@ -21,6 +21,8 @@ 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
+
+	ctl *Controller   // assigned controller
 	Dat interface{} // store (for client implementation-specific data)
 }