diff --git a/example/src/main/java/io/netty/example/http/cors/OkResponseHandler.java b/example/src/main/java/io/netty/example/http/cors/OkResponseHandler.java
index 1a334d8ff8..4ad71e6296 100644
--- a/example/src/main/java/io/netty/example/http/cors/OkResponseHandler.java
+++ b/example/src/main/java/io/netty/example/http/cors/OkResponseHandler.java
@@ -17,7 +17,7 @@ package io.netty.example.http.cors;
 
 import io.netty.channel.ChannelFutureListener;
 import io.netty.channel.ChannelHandlerContext;
-import io.netty.channel.ChannelInboundHandlerAdapter;
+import io.netty.channel.SimpleChannelInboundHandler;
 import io.netty.handler.codec.http.DefaultFullHttpResponse;
 import io.netty.handler.codec.http.FullHttpResponse;
 import io.netty.handler.codec.http.HttpResponseStatus;
@@ -27,10 +27,9 @@ import io.netty.handler.codec.http.HttpVersion;
  * A simple handler which will simple return a successful Http
  * response for any request.
  */
-public class OkResponseHandler extends ChannelInboundHandlerAdapter {
-
+public class OkResponseHandler extends SimpleChannelInboundHandler<Object> {
     @Override
-    public void channelRead(ChannelHandlerContext ctx, Object msg) {
+    public void channelRead0(ChannelHandlerContext ctx, Object msg) {
         final FullHttpResponse response = new DefaultFullHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.OK);
         response.headers().set("custom-response-header", "Some value");
         ctx.writeAndFlush(response).addListener(ChannelFutureListener.CLOSE);