diff --git a/nginx/xmpp.guschin.info.conf b/nginx/xmpp.guschin.info.conf
index a99fad6..fa39fc8 100644
--- a/nginx/xmpp.guschin.info.conf
+++ b/nginx/xmpp.guschin.info.conf
@@ -20,8 +20,9 @@ server {
 }
 
 server {
-    listen 443 ssl http2;
-    listen [::]:443 ssl http2;
+    listen 443 ssl;
+    listen [::]:443 ssl;
+    http2 on;
     server_name xmpp.guschin.info;
 
     # SSL certificate paths (using self-signed certificates from Prosody)