diff --git a/docker/webserver/nginx_templates/app.conf.template b/docker/webserver/nginx_templates/app.conf.template
index 78140f9e2..8da9661f8 100644
--- a/docker/webserver/nginx_templates/app.conf.template
+++ b/docker/webserver/nginx_templates/app.conf.template
@@ -1,4 +1,4 @@
-server_names_hash_bucket_size 64;
+server_names_hash_bucket_size 1024;
 
 # override default log format to include vhost
 log_format default '$remote_addr $host $remote_user [$time_local] "$request" '