diff --git a/admin_manual/installation/nginx-root.conf.sample b/admin_manual/installation/nginx-root.conf.sample
index 550364749..ba8643db3 100644
--- a/admin_manual/installation/nginx-root.conf.sample
+++ b/admin_manual/installation/nginx-root.conf.sample
@@ -22,8 +22,10 @@ server {
 }
 
 server {
-    listen 443      ssl http2;
-    listen [::]:443 ssl http2;
+    listen 443      ssl;
+    http2 on;
+    listen [::]:443 ssl;
+    http2 on;
     server_name cloud.example.com;
 
     # Path to the root of your installation