diff --git a/src/HttpApi/Controllers/Controller.php b/src/HttpApi/Controllers/Controller.php
index 92315c2..17279bf 100644
--- a/src/HttpApi/Controllers/Controller.php
+++ b/src/HttpApi/Controllers/Controller.php
@@ -43,7 +43,7 @@ abstract class Controller implements HttpServerInterface
 
         $this->contentLength = $this->findContentLength($request->getHeaders());
 
-        $this->requestBuffer = (string)$request->getBody();
+        $this->requestBuffer = (string) $request->getBody();
 
         $this->checkContentLength($connection);
     }