diff --git a/playbook/roles/webserver/templates/sites-available/ckan-pycsw.conf.j2 b/playbook/roles/webserver/templates/sites-available/ckan-pycsw.conf.j2
index a819a51..9441439 100644
--- a/playbook/roles/webserver/templates/sites-available/ckan-pycsw.conf.j2
+++ b/playbook/roles/webserver/templates/sites-available/ckan-pycsw.conf.j2
@@ -4,7 +4,7 @@ server {
     listen       {{ nginx_sslport }} ssl;
     listen  [::]:{{ nginx_sslport }} ssl;
     server_name {{proxy_server_name}};
-    client_max_body_size 100M;
+    client_max_body_size {{proxy_server_name}}M;
     ssl_certificate {{ nginx_dir }}/certs/ckan-local.crt;
     ssl_certificate_key {{ nginx_dir }}/certs/ckan-local.key;