diff --git a/nginx/server/proxy/openstack/ironic.yml b/nginx/server/proxy/openstack/ironic.yml
index 6ccedb3..1d13bf9 100644
--- a/nginx/server/proxy/openstack/ironic.yml
+++ b/nginx/server/proxy/openstack/ironic.yml
@@ -16,6 +16,8 @@
             host: ${_param:nginx_proxy_openstack_ironic_host}
             port: 6385
             protocol: ${_param:nginx_proxy_openstack_ironic_protocol}
+            # Prevent nginx from caching request body
+            request_buffer: false
           host:
             name: ${_param:nginx_proxy_openstack_api_host}
             port: 6385