X-Git-Url: https://git.mdrn.pl/wolnelektury.git/blobdiff_plain/6dd6758582da7f138885dc1eee41c8f9031da410..eebe542f3d49cdce6d851587ddf8bd2cb1bd8ef1:/src/wolnelektury/static/js/book_text/progress.js

diff --git a/src/wolnelektury/static/js/book_text/progress.js b/src/wolnelektury/static/js/book_text/progress.js
index d57a32fbd..723e03ec9 100644
--- a/src/wolnelektury/static/js/book_text/progress.js
+++ b/src/wolnelektury/static/js/book_text/progress.js
@@ -1,8 +1,11 @@
 (function($){$(function(){
 
-    t = $('#global-progress').data('t');
+    let t = $('#global-progress').data('t');
+
     function upd_t() {
         $text = $('#main-text #book-text');
+        if (!$text.length) return;
+
         texttop = $text.offset().top;
 
         $footnotes = $('#footnotes', $text);