diff --git a/lib/connect_middleware.js b/lib/connect_middleware.js
index 8a4957a..6641c9b 100644
--- a/lib/connect_middleware.js
+++ b/lib/connect_middleware.js
@@ -84,7 +84,7 @@ function Middleware(runner) {
               });
             }
 
-            if (!context.output) return next();
+            if (!context.output) { return next(); }
 
             var contentType = response.getHeader('content-type');
             if (!contentType) {