diff --git a/lib/ace/virtual_renderer.js b/lib/ace/virtual_renderer.js
index 0e10930d..c7266e60 100644
--- a/lib/ace/virtual_renderer.js
+++ b/lib/ace/virtual_renderer.js
@@ -58,12 +58,11 @@ var VirtualRenderer = function(container, theme) {
 
     // Imports CSS once per DOM document ('ace_editor' serves as an identifier).
     dom.importCssString(editorCss, "ace_editor", container.ownerDocument);
-    dom.addCssClass(this.container, "ace_editor");
     
     // Chrome has some strange rendering issues if this is not done async
     setTimeout(function() {
-        dom.addCssClass(this.container, "ace_editor");
-    }.bind(this), 0)
+        dom.addCssClass(container, "ace_editor");
+    }, 0)
 
     this.setTheme(theme);