diff --git a/spec/static/index.html b/spec/static/index.html
index f958e1b7ed0..c909a88a8b7 100644
--- a/spec/static/index.html
+++ b/spec/static/index.html
@@ -64,7 +64,7 @@
   });
 
   walker.on('file', function(file) {
-    if (/-spec.coffee$/.test(file))
+    if (/-spec\.js$/.test(file))
       mocha.addFile(file);
   });