diff --git a/conf.d/opticswiki.conf b/conf.d/opticswiki.conf
index 3f0b8c5..ed7c65f 100644
--- a/conf.d/opticswiki.conf
+++ b/conf.d/opticswiki.conf
@@ -16,12 +16,12 @@ server {
     ssl_certificate_key /etc/nginx/private/opticswiki.psi.ch.key;
 
     location / {
+        client_max_body_size 20M;
         proxy_pass http://opticswiki:80;
         proxy_set_header Host $host;
         proxy_set_header X-Real-IP $remote_addr;
         proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
         proxy_set_header X-Forwarded-Proto $scheme;
-	# UF add
 	proxy_set_header Cookie $http_cookie;
 	proxy_set_header Authorization $http_authorization;
     }