diff --git a/lib/index.js b/lib/index.js
index fedb3c1..5e35a94 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -86,8 +86,8 @@ exports.login = utils.toPromise(function (username, password, opts, callback) {
   var ajaxOpts = utils.extend(true, {
     method : 'POST',
     url : utils.getSessionUrl(db),
-    headers : {'Content-Type': 'application/json'},
-    body : JSON.stringify({name: username, password: password})
+    json: true,
+    body : {name: username, password: password}
   }, opts.ajax || {});
   utils.ajax(ajaxOpts, wrapError(callback));
 });