diff --git a/http_link.js b/http_link.js
index 77134df..881b7f1 100644
--- a/http_link.js
+++ b/http_link.js
@@ -183,6 +183,7 @@ http.createServer(function (req, res) {
     if( name == undefined || value == undefined ) {
         sys.puts("name and value not defined.");
         res.end("500");
+        return;
     }
     
     // TODO wrap this in a try/catch type block