diff --git a/lib/basicAuth.js b/lib/basicAuth.js
index b49b5b9..760bb18 100644
--- a/lib/basicAuth.js
+++ b/lib/basicAuth.js
@@ -13,6 +13,7 @@ module.exports = function basicAuth(callback, realm) {
 
     if (!authorization)
       unauthorized(res);
+      return;
 
     var parts       = authorization.split(" ");
     var scheme      = parts[0];
@@ -21,6 +22,7 @@ module.exports = function basicAuth(callback, realm) {
     if (scheme !== "Basic") {
       res.writeHead(400);
       res.end();
+      return;
     }
 
     if (callback(credentials[0], credentials[1]) === true) {