diff --git a/bin/acoeur.conf b/bin/acoeur.conf
index 1a541ca..3810865 100644
--- a/bin/acoeur.conf
+++ b/bin/acoeur.conf
@@ -3,6 +3,7 @@
 
   DocumentRoot /var/simpleWeb/apps/acoeur/public
   Alias /edit /var/simpleWeb/apps/acoeur/content
+  ErrorDocument 404 /404.html
 
   <Directory /var/simpleWeb/apps/acoeur/*>
     AuthUserFile /home/manu/Adata/.htaccessPasswords
diff --git a/themes/acoeur/assets/js/author.js b/themes/acoeur/assets/js/author.js
index 134eee3..cde675d 100644
--- a/themes/acoeur/assets/js/author.js
+++ b/themes/acoeur/assets/js/author.js
@@ -1,3 +1,7 @@
+// Move up when a page is absent
+if (document.head.querySelector('meta[content="/404.html"]'))
+  document.location.assign('..')
+
 // Add the proper absolute url to invitation link
 document.querySelectorAll('aside#actions #invitation')
   .forEach(elt => elt.href += document.location.href)