diff --git a/conf/nginx.conf b/conf/nginx.conf
index 740707d..acc2c5c 100644
--- a/conf/nginx.conf
+++ b/conf/nginx.conf
@@ -8,6 +8,8 @@ location __PATH__/ {
   proxy_set_header Upgrade $http_upgrade;
   proxy_set_header Connection upgrade;
 
+  client_max_body_size 5M;
+
   # Include SSOWAT user panel.
   include conf.d/yunohost_panel.conf.inc;
 }