diff --git a/data/templates/nginx/plain/yunohost_admin.conf b/data/templates/nginx/plain/yunohost_admin.conf
index 156d61bd6..e293327aa 100644
--- a/data/templates/nginx/plain/yunohost_admin.conf
+++ b/data/templates/nginx/plain/yunohost_admin.conf
@@ -19,6 +19,7 @@ server {
     ssl_certificate_key /etc/yunohost/certs/yunohost.org/key.pem;
     ssl_session_timeout 5m;
     ssl_session_cache shared:SSL:50m;
+    ssl_ecdh_curve secp521r1:secp384r1:prime256v1;
 
     ssl_prefer_server_ciphers on;