diff --git a/roles/nginx/templates/nginx.conf.j2 b/roles/nginx/templates/nginx.conf.j2
index b6733d2..40fa906 100644
--- a/roles/nginx/templates/nginx.conf.j2
+++ b/roles/nginx/templates/nginx.conf.j2
@@ -54,8 +54,11 @@ http {
     ssl_prefer_server_ciphers off;
 
     server {
-        listen 443 ssl http2;
-        listen [::]:443 ssl http2;
+        listen 443 ssl;
+        listen [::]:443 ssl;
+        http2 on;
+        http3 off;
+
         server_name {{ inventory_hostname }};
 
         ssl_certificate {{ tls_certs }}/{{ inventory_hostname }}-fullchain.crt;
diff --git a/roles/nginx_site/templates/site.conf.j2 b/roles/nginx_site/templates/site.conf.j2
index ca54573..a806608 100644
--- a/roles/nginx_site/templates/site.conf.j2
+++ b/roles/nginx_site/templates/site.conf.j2
@@ -14,8 +14,11 @@ upstream {{ nginx_site_name }} {
 }
 {% endif %}
 server {
-    listen 443 ssl http2;
-    listen [::]:443 ssl http2;
+    listen 443 ssl;
+    listen [::]:443 ssl;
+    http2 on;
+    http3 off;
+
     server_name {{ nginx_site_name }};
 
     access_log {{ nginx_logdir }}/{{ nginx_site_name }}.access.log custom;