diff --git a/app/views/layouts/application.html.erb b/app/views/layouts/application.html.erb
index 4e94dec..b71a535 100644
--- a/app/views/layouts/application.html.erb
+++ b/app/views/layouts/application.html.erb
@@ -109,7 +109,15 @@
               if(errors.length > 0) {
                 errors[0].focus();
               } else {
-                $.post('<%= user_session_path :format => "json" %>', $(this).serialize(), function(data) {
+                $.post('<%= user_session_path :format => "json" %>', {
+                  'remote' : true,
+                  'commit' : $('#user_existing_submit').val(),
+                  'utf8' : '✓',
+                  'user' : {
+                    'email' : $('#user_email').val(),
+                    'password' : $('#user_password').val()
+                  }
+                }, function(data) {
                 });
               }
             } else if($(this).data('state') === 'user_forgot_password') {
diff --git a/app/views/main/_combo_form.html.erb b/app/views/main/_combo_form.html.erb
index 56cd5ba..9d1a1a2 100644
--- a/app/views/main/_combo_form.html.erb
+++ b/app/views/main/_combo_form.html.erb
@@ -24,7 +24,7 @@
   <div id="user_existing_fields" style="display: none;">
     <%= f.label "password", "Password", :id => "user_password_label" %>
     <%= f.password_field "password", :tabindex => 0 %>
-    <%= f.label "remember_me", (f.check_box("remember_me").html_safe + "Stay signed in"), :id => "user_remember_me_label" %><br />
+    <%= f.label "remember_me", (f.check_box("remember_me", :checked => true, :tabindex => 0).html_safe + "Stay signed in"), :id => "user_remember_me_label" %><br />
     <%= f.submit "Sign in", :tabindex => 0, :id => "user_existing_submit" %>
     <p><%= link_to "Forgot your password?", "#", :id => "user_forgot_password_link", :tabindex => 0 %></p>
   </div>
diff --git a/config/initializers/devise.rb b/config/initializers/devise.rb
index f8ea3a4..bc2557a 100644
--- a/config/initializers/devise.rb
+++ b/config/initializers/devise.rb
@@ -124,7 +124,7 @@ Devise.setup do |config|
   # access, but formats like :xml or :json, should return 401.
   # If you have any extra navigational formats, like :iphone or :mobile, you
   # should add them to the navigational formats lists. Default is [:html]
-  config.navigational_formats = [:html, :json]
+  # config.navigational_formats = [:html, :iphone]
 
   # ==> Warden configuration
   # If you want to use other strategies, that are not (yet) supported by Devise,