diff --git a/lib/web.js b/lib/web.js
index 46d7ee3..ef3f252 100644
--- a/lib/web.js
+++ b/lib/web.js
@@ -4,8 +4,6 @@
 /* jshint -W061 */
 'use strict';
 
-const http  = require('http');
-const url  = require('url');
 const fs = require('fs');
 const path = require('path');
 
@@ -76,7 +74,7 @@ class ExtensionFlexcharts {
         const query = {};
         (parts[1] || '').split('&').forEach(p => {
           const pp = p.split('=');
-          query[pp[0]] = decodeURIComponent(pp[1] || '');
+          if (pp[0]) query[pp[0]] = decodeURIComponent(pp[1] || '');
         });
 
         // Extrect path of file from provided URL