diff --git a/core/nginx/conf/nginx.conf b/core/nginx/conf/nginx.conf
index e7d4885e..60c263a9 100644
--- a/core/nginx/conf/nginx.conf
+++ b/core/nginx/conf/nginx.conf
@@ -104,9 +104,10 @@ http {
 
       # Only enable HTTPS if TLS is enabled with no error
       {% if TLS_443 and not TLS_ERROR %}
-      listen 443 ssl http2{% if PROXY_PROTOCOL_443 %} proxy_protocol{% endif %};
+      listen 443 ssl{% if PROXY_PROTOCOL_443 %} proxy_protocol{% endif %};
 {% if SUBNET6 %}
-      listen [::]:443 ssl http2{% if PROXY_PROTOCOL_443 %} proxy_protocol{% endif %};
+      listen [::]:443 ssl{% if PROXY_PROTOCOL_443 %} proxy_protocol{% endif %};
+      http2 on;
 {% endif %}
 
       include /etc/nginx/tls.conf;