diff --git a/core/nginx/conf/nginx.conf b/core/nginx/conf/nginx.conf
index 438e9a9a..13bc0e7e 100644
--- a/core/nginx/conf/nginx.conf
+++ b/core/nginx/conf/nginx.conf
@@ -62,6 +62,7 @@ http {
       }
 
       location {{ WEB_WEBMAIL }} {
+        rewrite ^({{ WEB_WEBMAIL }})$ $1/ permanent;
         rewrite ^{{ WEB_WEBMAIL }}/(.*) /$1 break;
         proxy_pass http://webmail;
       }