diff --git a/boring-nginx/vhost_https.conf b/boring-nginx/vhost_https.conf
index cbf41bc..ebe2481 100644
--- a/boring-nginx/vhost_https.conf
+++ b/boring-nginx/vhost_https.conf
@@ -5,7 +5,7 @@ server {
 }
 
 server {
-  listen 4430 ssl http2;
+  listen 4430 ssl spdy http2;
   server_name <DOMAIN>;
 
   ssl_certificate <CERTIFICATE_PATH>;
diff --git a/nginx/vhost_https.conf b/nginx/vhost_https.conf
index cbf41bc..ebe2481 100644
--- a/nginx/vhost_https.conf
+++ b/nginx/vhost_https.conf
@@ -5,7 +5,7 @@ server {
 }
 
 server {
-  listen 4430 ssl http2;
+  listen 4430 ssl spdy http2;
   server_name <DOMAIN>;
 
   ssl_certificate <CERTIFICATE_PATH>;