diff --git a/deployment/horizon/horizon-container-puppet.yaml b/deployment/horizon/horizon-container-puppet.yaml
index ff21178c06..aef0f1942b 100644
--- a/deployment/horizon/horizon-container-puppet.yaml
+++ b/deployment/horizon/horizon-container-puppet.yaml
@@ -210,6 +210,7 @@ outputs:
         map_merge:
         - horizon::allowed_hosts: {get_param: HorizonAllowedHosts}
           horizon::enable_secure_proxy_ssl_header: true
+          horizon::secure_proxy_addr_header: HTTP_X_FORWARDED_FOR
           horizon::disable_password_reveal: true
           horizon::enforce_password_check: true
           horizon::disallow_iframe_embed: true