diff --git a/README.md b/README.md
index 5723571..e698395 100644
--- a/README.md
+++ b/README.md
@@ -20,7 +20,7 @@
 void main() {
   var handler = webSocketHandler((webSocket) {
     webSocket.stream.listen((message) {
-      webSocket.add("echo $message");
+      webSocket.sink.add("echo $message");
     });
   });