diff --git a/acquia_search.module b/acquia_search.module
index ca4179e..7f41576 100644
--- a/acquia_search.module
+++ b/acquia_search.module
@@ -14,9 +14,10 @@ if (!defined('REQUEST_TIME')) {
  * Predefined Acquia Search network environment
  */
 function acquia_search_get_environment($conf = array()) {
-  if (!empty($conf['acquia_subscription_id'])) {
+  if (!empty($conf['acquia_subscription_id']) && !empty($conf['acquia_subscription_key'])) {
     $identifier = $conf['acquia_subscription_id'];
-    $subscription = acquia_agent_get_subscription($params = array(), $identifier);
+    $key = $conf['acquia_subscription_key'];
+    $subscription = acquia_agent_get_subscription($params = array(), $identifier, $key);
   }
   else {
     $identifier = acquia_agent_settings('acquia_identifier');