diff --git a/puppet/services/horizon.yaml b/puppet/services/horizon.yaml
index 7ae518b53c..8fb13c16d5 100644
--- a/puppet/services/horizon.yaml
+++ b/puppet/services/horizon.yaml
@@ -40,6 +40,10 @@ parameters:
     type: string
     hidden: true
     default: ''
+  HorizonSecureCookies:
+    description: Set CSRF_COOKIE_SECURE / SESSION_COOKIE_SECURE in Horizon
+    type: boolean
+    default: true
   MemcachedIPv6:
     default: false
     description: Enable IPv6 features in Memcached.
@@ -88,6 +92,7 @@ outputs:
                 passwords:
                   - {get_param: HorizonSecret}
                   - {get_param: [DefaultPasswords, horizon_secret]}
+          horizon::secure_cookies: {get_param: [HorizonSecureCookies]}
           memcached_ipv6: {get_param: MemcachedIPv6}
         -
           if: