diff --git a/test/index.html b/test/index.html
index 67dc3ad..67d2c84 100644
--- a/test/index.html
+++ b/test/index.html
@@ -1,4 +1,5 @@
 <!DOCTYPE html>
+<html>
 <head>
   <title>JavaScript unit test file</title>
   <meta http-equiv="content-type" content="text/html; charset=utf-8" />
