diff --git a/nginx/conf.d/default.conf b/nginx/conf.d/default.conf
index d24a624..1df596a 100644
--- a/nginx/conf.d/default.conf
+++ b/nginx/conf.d/default.conf
@@ -25,8 +25,9 @@ server {
 
 server {
     server_name _;
-    listen 443 ssl http2 default_server;
-    listen [::]:443 ssl http2 default_server;
+    listen 443 ssl default_server;
+    listen [::]:443 ssl default_server;
+    http2 on;
 
     # logging
     access_log /var/log/nginx/mm.access.log;