diff --git a/htdocs/.htaccess b/htdocs/.htaccess
index fe79fce38f54ebec274f9b71f19148f31a17b83d..a7a0ddf575a99485910ac76c1f87a3dc4d254e7b 100644
--- a/htdocs/.htaccess
+++ b/htdocs/.htaccess
@@ -6,4 +6,6 @@ RewriteCond %{REQUEST_URI} /(.*)/$
 RewriteRule ^ /%1 [R=301,L]
 
 RewriteCond %{REQUEST_FILENAME}\.html -f
-RewriteRule ^(.*)$ $1.html [NC,L]
\ No newline at end of file
+RewriteRule ^(.*)$ $1.html [NC,L]
+
+ErrorDocument 404 /signup/e-email-invite