diff --git a/static/js/graphing.js b/static/js/graphing.js
index 32eff8635..b18e5ddbe 100644
--- a/static/js/graphing.js
+++ b/static/js/graphing.js
@@ -148,6 +148,8 @@ ImageHistoryTree.prototype.updateDimensions_ = function() {
   var ch = dimensions.ch;
 
   // Set the height of the container so that it never goes offscreen.
+  if (!$('#' + container).removeOverscroll) { return; }
+
   $('#' + container).removeOverscroll();
   var viewportHeight = $(window).height();
   var boundingBox = document.getElementById(container).getBoundingClientRect();