diff --git a/roles/service-nginx/defaults/main.yml b/roles/service-nginx/defaults/main.yml
new file mode 100644
index 0000000..9214ca1
--- /dev/null
+++ b/roles/service-nginx/defaults/main.yml
@@ -0,0 +1,2 @@
+---
+server_names_hash_bucket_size: 64
diff --git a/roles/service-nginx/templates/nginx.conf.j2 b/roles/service-nginx/templates/nginx.conf.j2
index 2347b39..7ff9e13 100644
--- a/roles/service-nginx/templates/nginx.conf.j2
+++ b/roles/service-nginx/templates/nginx.conf.j2
@@ -19,6 +19,8 @@ http {
     #access_log  /var/log/nginx/access.log  main;
     access_log  off;
 
+    server_names_hash_bucket_size {{ server_names_hash_bucket_size }};
+
     sendfile        on;
     tcp_nopush      on;
     tcp_nodelay     on;