diff --git a/lib/request.js b/lib/request.js
index 149e746..2230286 100644
--- a/lib/request.js
+++ b/lib/request.js
@@ -10,6 +10,8 @@ exports.create = function(config, fn){
         qs: config.qs || {},
         proxy: config.proxy
     }
+    if (config.format.toLowerCase() === "json")
+        options.json = true;
 
     request(options, function(err, response, body){
         fn(err, body);