diff --git a/admin_manual/installation/nginx-subdir.conf.sample b/admin_manual/installation/nginx-subdir.conf.sample
index da9b56d48..4ac313df5 100644
--- a/admin_manual/installation/nginx-subdir.conf.sample
+++ b/admin_manual/installation/nginx-subdir.conf.sample
@@ -24,8 +24,10 @@ 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 the domain