Error opening file /tmp/... No such file or directory #459

 * Xreader version 2.8.3
 * Distribution - Manjaro XFCE 20.1

Issue
When clicking on TOC hyperlink, Xreader fails to open the relevant page

Steps to reproduce
1/ Extract the attached ePub
testTOC.tar.gz
2/ open this epub with Xreader
3/ Be sure to view the "Table des Matières" at the very beginning.
4/ Click on some headers, such as "GRANDES SAUCES DE BASE"
You get the following error:
Error opening file /tmp/xreader-1531/Escoffier - Le Guide culinaire.epubLL1CX0/OEBPS/Ia_Sauces.html: No such file or directory

Expected behaviour
Will jump to the request target

Other information