diff --git a/wsproxy/websocket_proxy.go b/wsproxy/websocket_proxy.go
index 40cebc8..7b60e7f 100644
--- a/wsproxy/websocket_proxy.go
+++ b/wsproxy/websocket_proxy.go
@@ -91,6 +91,8 @@ var defaultHeadersToForward = map[string]bool{
 	"origin":  true,
 	"Referer": true,
 	"referer": true,
+	"Cookie": true,
+	"cookie": true,
 }
 
 func defaultHeaderForwarder(header string) bool {