diff --git a/lib/routes/avatars.js b/lib/routes/avatars.js
index 5dad944..863716e 100644
--- a/lib/routes/avatars.js
+++ b/lib/routes/avatars.js
@@ -12,7 +12,7 @@ function handle_default(img_status, userId, size, def, req, err, callback) {
     if (helpers.id_valid(def)) {
       // clean up the old URL to match new image
       var parsed = req.url;
-      delete parsed.query["default"];
+      delete parsed.query.default;
       delete parsed.search;
       parsed.pathname = parsed.pathname.replace(userId, def);
       var newUrl = url.format(parsed);
diff --git a/lib/routes/renders.js b/lib/routes/renders.js
index 537cc82..296565d 100644
--- a/lib/routes/renders.js
+++ b/lib/routes/renders.js
@@ -16,7 +16,7 @@ function handle_default(rid, scale, helm, body, img_status, userId, size, def, r
     if (helpers.id_valid(def)) {
       // clean up the old URL to match new image
       var parsed = req.url;
-      delete parsed.query["default"];
+      delete parsed.query.default;
       delete parsed.search;
       parsed.pathname = parsed.pathname.replace(userId, def);
       var newUrl = url.format(parsed);
diff --git a/lib/routes/skins.js b/lib/routes/skins.js
index 5c178ed..301e69b 100644
--- a/lib/routes/skins.js
+++ b/lib/routes/skins.js
@@ -3,6 +3,7 @@ var helpers = require("../helpers");
 var skins = require("../skins");
 var path = require("path");
 var lwip = require("lwip");
+var url = require("url");
 
 function handle_default(img_status, userId, def, req, err, callback) {
   def = def || skins.default_skin(userId);
@@ -10,7 +11,7 @@ function handle_default(img_status, userId, def, req, err, callback) {
     if (helpers.id_valid(def)) {
       // clean up the old URL to match new image
       var parsed = req.url;
-      delete parsed.query["default"];
+      delete parsed.query.default;
       delete parsed.search;
       parsed.pathname = parsed.pathname.replace(userId, def);
       var newUrl = url.format(parsed);