diff --git a/demo/app.js b/demo/app.js
index <HASH>..<HASH> 100644
--- a/demo/app.js
+++ b/demo/app.js
@@ -46,7 +46,7 @@ Abba.InputsView.prototype = {
         return {
             label: $row.find('.label-input').val(),
             numSuccesses: parseInt($row.find('.num-successes-input').val()),
-            numSamples: parseInt($row.find('.num-samples-input').val()),
+            numSamples: parseInt($row.find('.num-samples-input').val())
         };
     },
 
@@ -154,7 +154,7 @@ Abba.Presenter.prototype = {
         var baseline = variations.shift();
         return {
             baseline: baseline,
-            variations: variations,
+            variations: variations
         };
     },
 
@@ -188,4 +188,4 @@ Abba.Presenter.prototype = {
 };
 
 return Abba;
-}(Abba || {}, jQuery, Hash));
\ No newline at end of file
+}(Abba || {}, jQuery, Hash));
Fix some trailing commas for IE