diff --git a/nginx/server/proxy/infra/sphinx.yml b/nginx/server/proxy/infra/sphinx.yml
index 5f733ac..b7bbfc1 100644
--- a/nginx/server/proxy/infra/sphinx.yml
+++ b/nginx/server/proxy/infra/sphinx.yml
@@ -8,7 +8,7 @@
           type: nginx_proxy
           name: sphinx
           proxy:
-            host: prx
+            host: ${_param:openstack_proxy_hostname}
             port: 8090
             protocol: http
           host: