diff --git a/conf/nginx.conf b/conf/nginx.conf
index 6b103cd..8a7374e 100644
--- a/conf/nginx.conf
+++ b/conf/nginx.conf
@@ -79,6 +79,9 @@ location __PATH__/ {
         text/x-component
         text/x-cross-domain-policy;
 
+    # Allows file upload, e.g. fof/upload.
+    client_max_body_size 100M;
+
   # Include SSOWAT user panel.
   # include conf.d/yunohost_panel.conf.inc;
 }