diff --git a/plugins/mezuro/lib/kalibro/metric_result.rb b/plugins/mezuro/lib/kalibro/metric_result.rb
index 9170571..364e6f0 100644
--- a/plugins/mezuro/lib/kalibro/metric_result.rb
+++ b/plugins/mezuro/lib/kalibro/metric_result.rb
@@ -30,7 +30,7 @@ class Kalibro::MetricResult < Kalibro::Model
   end
 
   def self.history_of(metric_name, module_result_id)
-    response = self.request(:history_of, {:metric_name => metric_name, :module_result_id => module_result_id})[:date_metric_result]
+    response = self.request(:history_of_metric, {:metric_name => metric_name, :module_result_id => module_result_id})[:date_metric_result]
     response = [] if response.nil?
     response = [response] if response.is_a?(Hash) 
     response.map {|date_metric_result| Kalibro::DateMetricResult.new date_metric_result}
diff --git a/plugins/mezuro/public/javascripts/processing.js b/plugins/mezuro/public/javascripts/processing.js
index a69b227..22efb84 100644
--- a/plugins/mezuro/public/javascripts/processing.js
+++ b/plugins/mezuro/public/javascripts/processing.js
@@ -26,7 +26,7 @@ function display_metric_history() {
 
 //TODO review for project history
 function display_grade_history() {
-  var module_name = jQuery(this).attr('data-module-id');
+  var module_result_id = jQuery(this).attr('data-module-id');
   toggle_mezuro("#historical-grade");
   callAction('module_result', 'module_result_history', {module_result_id: module_result_id}, show_grades);
   return false;
diff --git a/plugins/mezuro/views/mezuro_plugin_module_result/_metric_results.rhtml b/plugins/mezuro/views/mezuro_plugin_module_result/_metric_results.rhtml
index a89039d..b358850 100644
--- a/plugins/mezuro/views/mezuro_plugin_module_result/_metric_results.rhtml
+++ b/plugins/mezuro/views/mezuro_plugin_module_result/_metric_results.rhtml
@@ -13,7 +13,7 @@
     <% formatted_name = MezuroPlugin::Helpers::ContentViewerHelper.format_name(metric_configuration_snapshot) %>
     <% if !range_snapshots.nil? %>
       <tr>
-        <td style="width: 74%"><a href="#" show-metric-history="<%= formatted_name %>" data-module-id="<%= @module_result_id %>"><%= metric_configuration_snapshot.metric.name %></a></td>
+        <td style="width: 74%"><a href="#" show-metric-history="<%= formatted_name %>" data-module-id="<%= @module_result.id %>"><%= metric_configuration_snapshot.metric.name %></a></td>
         <td><%= MezuroPlugin::Helpers::ContentViewerHelper.format_grade(metric_result.value) %></td>
         <td><%= metric_configuration_snapshot.weight %></td>
       <% range_snapshots.each do |range_snapshot| %>
--
libgit2 0.21.2