diff --git a/app/views/admin/conferences/_doughnut_chart.html.haml b/app/views/admin/conferences/_doughnut_chart.html.haml
index f4a8f0ba..6ad75cef 100644
--- a/app/views/admin/conferences/_doughnut_chart.html.haml
+++ b/app/views/admin/conferences/_doughnut_chart.html.haml
@@ -1,6 +1,6 @@
 .text-center
   %h4 #{title}
-  %canvas.doughnut_chart{ id: "dough_#{title}", 'data-chart' => data.to_json }
+  %canvas.doughnut_chart{ id: "dough_#{title.parameterize.underscore}", 'data-chart' => data.to_json }
 - if data
   - data.each do |key, value|
     %span{ 'style' => "border-bottom: 3px solid #{value['color']}" } #{key}: #{value['value']}
@@ -8,7 +8,7 @@
 :javascript
   $(document).ready( function(){
 
-   var d = $("#dough_#{title}");
+   var d = $("#dough_#{title.parameterize.underscore}");
    var dt = d.get(0).getContext('2d');
 
    $(window).resize( respondCanvas );