diff --git a/lib/App.js b/lib/App.js
index d8cf858ef..64c3b7d5b 100644
--- a/lib/App.js
+++ b/lib/App.js
@@ -236,9 +236,8 @@ App.prototype._handleMessage = function(action, message) {
 
   } else if (action === 'refreshStyles') {
     var styleElement = document.querySelector('style[data-filename="' +
-      message.filename + '"]');
+      message.filename.replace(/\\/g,"\\\\") + '"]');
     if (styleElement) styleElement.innerHTML = message.css;
-
   } else if (action === 'reload') {
     this.model.whenNothingPending(function() {
       window.location = window.location;