diff --git a/plugins/mezuro/test/functional/profile/mezuro_plugin_module_result_controller_test.rb b/plugins/mezuro/test/functional/profile/mezuro_plugin_module_result_controller_test.rb
index 3061465..0c9bf54 100644
--- a/plugins/mezuro/test/functional/profile/mezuro_plugin_module_result_controller_test.rb
+++ b/plugins/mezuro/test/functional/profile/mezuro_plugin_module_result_controller_test.rb
@@ -38,7 +38,7 @@ class MezuroPluginModuleResultControllerTest < ActionController::TestCase
 
   should 'get metric result history' do
     metric_name = @metric_result_hash[:configuration][:metric][:name]
-    Kalibro::MetricResult.expects(:request).with(:history_of, { :metric_name => metric_name, :module_result_id => @module_result_hash[:id] }).
+    Kalibro::MetricResult.expects(:request).with(:history_of_metric, { :metric_name => metric_name, :module_result_id => @module_result_hash[:id] }).
         returns({:date_metric_result => @date_metric_result_hash})
     get :metric_result_history, :profile => @profile.identifier, :module_result_id => @module_result_hash[:id], :metric_name => metric_name
     assert_equal DateTime.parse(@date_metric_result_hash[:date]), assigns(:history).first.date
diff --git a/plugins/mezuro/test/unit/kalibro/metric_result_test.rb b/plugins/mezuro/test/unit/kalibro/metric_result_test.rb
index 3277da5..5b610b1 100644
--- a/plugins/mezuro/test/unit/kalibro/metric_result_test.rb
+++ b/plugins/mezuro/test/unit/kalibro/metric_result_test.rb
@@ -33,7 +33,7 @@ class MetricResultTest < ActiveSupport::TestCase
 
   should 'return history of a metric with a module result id' do
     module_result_id = 31
-    Kalibro::MetricResult.expects(:request).with(:history_of, {:metric_name => @result.configuration.metric.name, :module_result_id => module_result_id}).returns({:date_metric_result => DateMetricResultFixtures.date_metric_result_hash})
+    Kalibro::MetricResult.expects(:request).with(:history_of_metric, {:metric_name => @result.configuration.metric.name, :module_result_id => module_result_id}).returns({:date_metric_result => DateMetricResultFixtures.date_metric_result_hash})
     assert_equal DateMetricResultFixtures.date_metric_result_hash[:metric_result][:id], Kalibro::MetricResult.history_of(@result.configuration.metric.name, module_result_id).first.metric_result.id
   end
 
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 b358850..ab1d243 100644
--- a/plugins/mezuro/views/mezuro_plugin_module_result/_metric_results.rhtml
+++ b/plugins/mezuro/views/mezuro_plugin_module_result/_metric_results.rhtml
@@ -9,18 +9,17 @@
 <tbody>
   <% @metric_results.each do |metric_result|  %>
     <% metric_configuration_snapshot = metric_result.metric_configuration_snapshot%>
-    <% range_snapshots = metric_configuration_snapshot.range_snapshot %>
+    <% range_snapshot = metric_configuration_snapshot.range_snapshot %>
     <% formatted_name = MezuroPlugin::Helpers::ContentViewerHelper.format_name(metric_configuration_snapshot) %>
-    <% if !range_snapshots.nil? %>
+    <% if !range_snapshot.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><%= MezuroPlugin::Helpers::ContentViewerHelper.format_grade(metric_result.value) %></td>
         <td><%= metric_configuration_snapshot.weight %></td>
-      <% range_snapshots.each do |range_snapshot| %>
-        <% if range_snapshot[:beginning].to_f <= metric_result.value and range_snapshot[:end].to_f > metric_result.value %>
-        <td style="background-color: #<%= range_snapshot[:color] %>">
-          <span title="<%= range_snapshot[:comments] %>" >
-            <%= range_snapshot[:label] %>
+        <% if range_snapshot.beginning.to_f <= metric_result.value and range_snapshot.end.to_f > metric_result.value %>
+        <td style="background-color: #<%= range_snapshot.color %>">
+          <span title="<%= range_snapshot.comments %>" >
+            <%= range_snapshot.label %>
           </span>
         </td>
       </tr>
@@ -30,11 +29,10 @@
           </div>
         </td>
         <td align="right">
-          <%= range_snapshot[:comments].nil? ? '' : range_snapshot[:comments] %>
+          <%= range_snapshot.comments.nil? ? '' : range_snapshot.comments %>
         </td>
       </tr>
       <% end %>
-      <% end %>
     <% end %>
   <% end %>
 </tbody>
--
libgit2 0.21.2