diff --git a/modules/marketplace/manifests/apps/webpay/admin_instance.pp b/modules/marketplace/manifests/apps/webpay/admin_instance.pp
index 7b724e76..ca543ac7 100644
--- a/modules/marketplace/manifests/apps/webpay/admin_instance.pp
+++ b/modules/marketplace/manifests/apps/webpay/admin_instance.pp
@@ -31,6 +31,7 @@
   $scl_name = undef,
   $update_on_commit = false,
   $uwsgi = '', # should be string separated by ";"
+  $zamboni_shared_key = '',
 ) {
   require marketplace::apps::webpay::packages
 
diff --git a/modules/marketplace/templates/apps/webpay/admin/private_base.py b/modules/marketplace/templates/apps/webpay/admin/private_base.py
index 701b308b..e77a7069 100644
--- a/modules/marketplace/templates/apps/webpay/admin/private_base.py
+++ b/modules/marketplace/templates/apps/webpay/admin/private_base.py
@@ -27,3 +27,5 @@
 UUID_HMAC_KEY = '<%= uuid_hmac_key %>'
 
 ENCRYPTED_COOKIE_KEY = '<%= encrypted_cookie_key %>'
+
+ZAMBONI_SHARED_KEY = '<%= @zamboni_shared_key %>'