diff --git a/nginx.tmpl b/nginx.tmpl
index 08f6c01..224d2b5 100644
--- a/nginx.tmpl
+++ b/nginx.tmpl
@@ -61,7 +61,7 @@ server {
 {{ if (and (exists "/etc/nginx/certs/default.crt") (exists "/etc/nginx/certs/default.key")) }}
 server {
 	server_name _; # This is just an invalid value which will never trigger on a real hostname.
-	listen 443 ssl spdy;
+	listen 443 ssl http2;
 	return 503;
 
 	ssl_certificate /etc/nginx/certs/default.crt;