diff --git a/index.html b/index.html
index 85f4032..e8d5daa 100644
--- a/index.html
+++ b/index.html
@@ -6,7 +6,7 @@
     <link rel="stylesheet" type="text/css" href="style.css">
     <link rel="icon" type="image/png" href="https://i.imgur.com/O4AeOvI.png">
   </head>
-  <body onload="changePDF('chapter 1');">
+  <body onload="changePDF('chapter 1');onLoad();">
     <table width="100%" height="100%">
       <tr width="100%" height="100%">
       <td width="10%" id="toc" class="collapsable">
