diff --git a/ironic/api/single.yml b/ironic/api/single.yml
index 0109973..db39076 100644
--- a/ironic/api/single.yml
+++ b/ironic/api/single.yml
@@ -41,3 +41,5 @@
         region: ${_param:openstack_region}
         protocol: ${_param:cluster_internal_protocol}
         user: ${_param:keystone_ironic_username}
+      middleware:
+        enable_proxy_headers_parsing: true