diff --git a/handlers.go b/handlers.go
index 8d0c1cb..ff1ce51 100644
--- a/handlers.go
+++ b/handlers.go
@@ -406,6 +406,7 @@ func (s *Server) HandleWebsocket(w http.ResponseWriter, r *http.Request) {
 			if err != nil {
 				if websocket.IsUnexpectedCloseError(
 					err,
+					websocket.CloseNormalClosure,    // 1000
 					websocket.CloseGoingAway,        // 1001
 					websocket.CloseNoStatusReceived, // 1005
 					websocket.CloseAbnormalClosure,  // 1006