diff --git a/src/js/views/gitDemonstrationView.js b/src/js/views/gitDemonstrationView.js
index 96460200..13b0469f 100644
--- a/src/js/views/gitDemonstrationView.js
+++ b/src/js/views/gitDemonstrationView.js
@@ -85,7 +85,7 @@ var GitDemonstrationView = ContainedBase.extend({
   checkScroll: function() {
     var children = this.$('div.demonstrationText').children().toArray();
     var heights = children.map(function(child) { return child.clientHeight; });
-    var totalHeight = _.reduce(heights, function(a, b) { return a + b; });
+    var totalHeight = heights.reduce(function(a, b) { return a + b; });
     if (totalHeight < this.$('div.demonstrationText').height()) {
       this.$('div.demonstrationText').addClass('noLongText');
     }