diff --git a/volumes/conf.d/ha.zinomedia.de.conf b/volumes/conf.d/ha.zinomedia.de.conf
index eab7807..3354100 100644
--- a/volumes/conf.d/ha.zinomedia.de.conf
+++ b/volumes/conf.d/ha.zinomedia.de.conf
@@ -1,6 +1,7 @@
 server {
-    listen 443 ssl http2;
-    listen [::]:443 ssl http2;
+    listen 443 ssl;
+    listen [::]:443 ssl;
+    http2 on;
     server_name ha.zinomedia.de;
 
     ssl_certificate /etc/letsencrypt/live/ha.zinomedia.de/fullchain.pem;