diff --git a/lib/ace/test/navigation_test.js b/lib/ace/test/navigation_test.js
index c9bbdaf6..74a8885a 100644
--- a/lib/ace/test/navigation_test.js
+++ b/lib/ace/test/navigation_test.js
@@ -40,7 +40,7 @@ define(function(require, exports, module) {
 require("./mockdom");
 
 var EditSession     = require("ace/edit_session").EditSession,
-    Editor          = require("../Editor").Editor,
+    Editor          = require("../editor").Editor,
     MockRenderer    = require("./mockrenderer"),
     assert          = require("./assertions");