diff --git a/websocket/websocket_test.go b/websocket/websocket_test.go
index afc3eed7..0e4d22f8 100644
--- a/websocket/websocket_test.go
+++ b/websocket/websocket_test.go
@@ -426,6 +426,10 @@ func (c *closerConn) Close() error {
 }
 
 func TestClose(t *testing.T) {
+	if runtime.GOOS == "plan9" {
+		t.Skip("see golang.org/issue/11454")
+	}
+
 	once.Do(startServer)
 
 	conn, err := net.Dial("tcp", serverAddr)