diff --git a/data/templates/nginx/server.tpl.conf b/data/templates/nginx/server.tpl.conf
index ee20c29c9..0c221f188 100644
--- a/data/templates/nginx/server.tpl.conf
+++ b/data/templates/nginx/server.tpl.conf
@@ -12,7 +12,7 @@ server {
     }
 
     location /.well-known/autoconfig/mail/ {
-        alias /var/www/.well-known/{{ domain }}/autoconfig/mail;
+        alias /var/www/.well-known/{{ domain }}/autoconfig/mail/;
     }
 
     access_log /var/log/nginx/{{ domain }}-access.log;