diff --git a/atom/renderer/lib/override.coffee b/atom/renderer/lib/override.coffee
index 61d476568..bb469711a 100644
--- a/atom/renderer/lib/override.coffee
+++ b/atom/renderer/lib/override.coffee
@@ -3,7 +3,7 @@ ipc = require 'ipc'
 remote = require 'remote'
 
 # Window object returned by "window.open".
-class FakeWindow
+class BrowserWindowProxy
   constructor: (@guestId) ->
     ipc.on 'ATOM_SHELL_GUEST_WINDOW_MANAGER_WINDOW_CLOSED', (guestId) =>
       if guestId is @guestId
@@ -53,7 +53,7 @@ window.open = (url, frameName='', features='') ->
 
   guestId = ipc.sendSync 'ATOM_SHELL_GUEST_WINDOW_MANAGER_WINDOW_OPEN', url, frameName, options
   if guestId
-    new FakeWindow(guestId)
+    new BrowserWindowProxy(guestId)
   else
     console.error 'It is not allowed to open new window from this WebContents'
     null
diff --git a/spec/chromium-spec.coffee b/spec/chromium-spec.coffee
index d433672cb..171a02457 100644
--- a/spec/chromium-spec.coffee
+++ b/spec/chromium-spec.coffee
@@ -32,9 +32,9 @@ describe 'chromium feature', ->
       assert.notEqual navigator.language, ''
 
   describe 'window.open', ->
-    it 'returns a FakeWindow object', ->
+    it 'returns a BrowserWindowProxy object', ->
       b = window.open 'about:blank', 'test', 'show=no'
-      assert.equal b.constructor.name, 'FakeWindow'
+      assert.equal b.constructor.name, 'BrowserWindowProxy'
       b.close()
 
   describe 'creating a Uint8Array under browser side', ->