diff --git a/lib/ace/virtual_renderer.js b/lib/ace/virtual_renderer.js
index 51550989..6004d105 100644
--- a/lib/ace/virtual_renderer.js
+++ b/lib/ace/virtual_renderer.js
@@ -591,8 +591,7 @@ var VirtualRenderer = function(container, theme) {
         var canvasPos = this.scroller.getBoundingClientRect();
         var pos = this.doc.documentToScreenPosition(row, column);
 
-
-        var x = this.padding + Math.round(pos.column * this.characterWidth);
+        var x = this.$padding + Math.round(pos.column * this.characterWidth);
         var y = pos.row * this.lineHeight;
 
         return {