diff --git a/app/assets/javascripts/osem-dashboard.js b/app/assets/javascripts/osem-dashboard.js
index c8d5b853..83d2b468 100644
--- a/app/assets/javascripts/osem-dashboard.js
+++ b/app/assets/javascripts/osem-dashboard.js
@@ -55,7 +55,6 @@ $(function() {
     }
 
     function draw_line_chart(animation, $canvas){
-        var options = get_animation({}, animation);
         var chart_data = create_dataset($canvas);
         var weeks = $canvas.parent().data('weeks');
         var data = {
@@ -63,10 +62,27 @@ $(function() {
             datasets : chart_data
         }
 
+        var options = get_animation(wholeNumberAxisFix(data), animation);
         var ctx = $canvas.get(0).getContext("2d");
         new Chart(ctx).Line(data, options);
     }
 
+    function wholeNumberAxisFix(data){
+        var maxValue = false;
+        for(datasetIndex = 0; datasetIndex < data.datasets.length; ++datasetIndex){
+            var setMax = Math.max.apply(null, data.datasets[datasetIndex].data);
+            if (maxValue === false || setMax > maxValue) maxValue = setMax;
+        }
+
+        var steps = maxValue;
+        var stepWidth = 1;
+        if (maxValue > 10) {
+            stepWidth = Math.floor(maxValue / 10);
+            steps = Math.ceil(maxValue / stepWidth);
+        }
+        return { scaleOverride: true, scaleSteps: steps, scaleStepWidth: stepWidth, scaleStartValue: 0 };
+    }
+
     function create_dataset($canvas){
         var selected = getSelectedConferences($canvas);
         var chart_data = $canvas.parent().data('chart');
diff --git a/app/controllers/ticket_purchases_controller.rb b/app/controllers/ticket_purchases_controller.rb
index 792122e2..f15fc993 100644
--- a/app/controllers/ticket_purchases_controller.rb
+++ b/app/controllers/ticket_purchases_controller.rb
@@ -2,6 +2,7 @@ class TicketPurchasesController < ApplicationController
   before_filter :authenticate_user!
   load_resource :conference, find_by: :short_title
   authorize_resource :conference_registrations, class: Registration
+  authorize_resource
 
   def create
     current_user.ticket_purchases.by_conference(@conference).unpaid.destroy_all