diff --git a/plugins/mezuro/controllers/mezuro_plugin_profile_controller.rb b/plugins/mezuro/controllers/mezuro_plugin_profile_controller.rb
index 1e79d16..cdf901d 100644
--- a/plugins/mezuro/controllers/mezuro_plugin_profile_controller.rb
+++ b/plugins/mezuro/controllers/mezuro_plugin_profile_controller.rb
@@ -77,6 +77,8 @@ class MezuroPluginProfileController < ProfileController
   end
 
   def new_range
+    @metric_name = params[:metric_name]
+    @configuration_name = params[:configuration_name]
   end
 
   def create_range
@@ -87,6 +89,17 @@ class MezuroPluginProfileController < ProfileController
     @range.grade = params[:range][:grade]
     @range.color = params[:range][:color]
     @range.comments = params[:range][:comments]
+
+    configuration_name = params[:configuration_name]
+    metric_name = params[:metric_name]
+
+    metric_configuration_client = Kalibro::Client::MetricConfigurationClient.new
+    metric_configuration = metric_configuration_client.metric_configuration(configuration_name, metric_name)
+
+    metric_configuration.add_range(@range)
+
+    metric_configuration_client.save(metric_configuration, configuration_name)
+
   end
 
   def remove_metric_configuration
diff --git a/plugins/mezuro/lib/kalibro/entities/metric_configuration.rb b/plugins/mezuro/lib/kalibro/entities/metric_configuration.rb
index f0853fd..468d2b2 100644
--- a/plugins/mezuro/lib/kalibro/entities/metric_configuration.rb
+++ b/plugins/mezuro/lib/kalibro/entities/metric_configuration.rb
@@ -19,6 +19,11 @@ class Kalibro::Entities::MetricConfiguration < Kalibro::Entities::Entity
     @range = to_entity_array(value, Kalibro::Entities::Range)
   end
 
+  def add_range(new_range)
+    @range = [] if @range.nil?
+    @range << new_range
+  end
+
   def ranges
     @range
   end
diff --git a/plugins/mezuro/views/mezuro_plugin_profile/_new_range.html.erb b/plugins/mezuro/views/mezuro_plugin_profile/_new_range.html.erb
index 0f5cc57..de1f71d 100644
--- a/plugins/mezuro/views/mezuro_plugin_profile/_new_range.html.erb
+++ b/plugins/mezuro/views/mezuro_plugin_profile/_new_range.html.erb
@@ -1,6 +1,6 @@
 <% remote_form_for :range, :url => {:action =>"create_range", :controller => "mezuro_plugin_profile"}, :method => :get do |f| %>
-  <%= hidden_field_tag :configuration_name, @configuration_name %>
-  <%= hidden_field_tag :metric_name, @metric_name %>
+  <%= hidden_field_tag :configuration_name, configuration_name %>
+  <%= hidden_field_tag :metric_name, metric_name %>
   <table>
     <tr>
       <td>
diff --git a/plugins/mezuro/views/mezuro_plugin_profile/edit_metric_configuration.html.erb b/plugins/mezuro/views/mezuro_plugin_profile/edit_metric_configuration.html.erb
index 3f83937..f3ba0f2 100644
--- a/plugins/mezuro/views/mezuro_plugin_profile/edit_metric_configuration.html.erb
+++ b/plugins/mezuro/views/mezuro_plugin_profile/edit_metric_configuration.html.erb
@@ -72,6 +72,6 @@
 </table>
 
 <br/>
-<%= link_to_remote "New Range", :url => {:action =>"new_range", :controller => "mezuro_plugin_profile"}  %>
+<%= link_to_remote "New Range", :url => {:action =>"new_range", :controller => "mezuro_plugin_profile", :configuration_name => @configuration_name, :metric_name => @metric.name} %>
 <div id="new_range" style="display:none"></div>
 
diff --git a/plugins/mezuro/views/mezuro_plugin_profile/new_range.rjs b/plugins/mezuro/views/mezuro_plugin_profile/new_range.rjs
index 2613dd3..22cee93 100644
--- a/plugins/mezuro/views/mezuro_plugin_profile/new_range.rjs
+++ b/plugins/mezuro/views/mezuro_plugin_profile/new_range.rjs
@@ -1,2 +1,2 @@
-page.replace_html 'new_range', :partial => "new_range"
+page.replace_html 'new_range', :partial => "new_range", :locals => {:metric_name => @metric_name, :configuration_name => @configuration_name}
 page.visual_effect :toggle_slide, "new_range"
--
libgit2 0.21.2