diff --git a/actix-http/examples/actix-web.rs b/actix-http/examples/actix-web.rs
index f8226507f..449e5899b 100644
--- a/actix-http/examples/actix-web.rs
+++ b/actix-http/examples/actix-web.rs
@@ -18,7 +18,8 @@ async fn main() -> std::io::Result<()> {
             HttpService::build()
                 // pass the app to service builder
                 // map_config is used to map App's configuration to ServiceBuilder
-                .finish(map_config(app, |_| AppConfig::default()))
+                // h1 will configure server to only use HTTP/1.1
+                .h1(map_config(app, |_| AppConfig::default()))
                 .tcp()
         })?
         .run()