diff --git a/lib/mongoCache.js b/lib/mongoCache.js
index 7156d72..4c19a06 100644
--- a/lib/mongoCache.js
+++ b/lib/mongoCache.js
@@ -25,7 +25,7 @@ module.exports = {
             return next();
         }
 
-        this.cache.get(req.url, function (err, result) {
+        this.cache.get(req.prerender.url, function (err, result) {
             if (!err && result) {
                 res.send(200, result);
             } else {
@@ -35,7 +35,7 @@ module.exports = {
     },
 
     afterPhantomRequest: function(req, res, next) {
-        this.cache.set(req.url, req.prerender.documentHTML);
+        this.cache.set(req.prerender.url, req.prerender.documentHTML);
         next();
     }
 };