diff --git a/src/protocol/mod.rs b/src/protocol/mod.rs
index 7fb2259..d1eb958 100644
--- a/src/protocol/mod.rs
+++ b/src/protocol/mod.rs
@@ -122,7 +122,7 @@ impl<Stream> WebSocket<Stream> {
             incomplete: None,
             send_queue: VecDeque::new(),
             pong: None,
-            config: config.unwrap_or_else(|| WebSocketConfig::default()),
+            config: config.unwrap_or_else(WebSocketConfig::default),
         }
     }
 }