diff --git a/app/assets/javascripts/dashboard.js b/app/assets/javascripts/dashboard.js
index f260ef38..f1de68a3 100644
--- a/app/assets/javascripts/dashboard.js
+++ b/app/assets/javascripts/dashboard.js
@@ -78,7 +78,11 @@ $(function() {
                 var options = {};
                 options.fillColor = "rgba(255,255,255,0.0)";
                 options.strokeColor = conferences[i].color;
-                options.data = chart_data[conferences[i].short_title];
+                if(options.data == null || options.data.length == 0){
+                    options.data = [0];
+                }else{
+                    options.data = chart_data[conferences[i].short_title];
+                }
                 result.push(options)
             }
         }
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index 69e942b4..dd9400f6 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -62,10 +62,6 @@ RSpec.configure do |config|
   end
 
   # poltergeist as a underlying mech for Capybara
-  Capybara.register_driver :poltergeist do |app|
-    Capybara::Poltergeist::Driver.new(app, js_errors: false)
-  end
-
   Capybara.javascript_driver = :poltergeist
 
   # Includes helpers and connect them to specific types of tests