diff --git a/Gateway/MailChimpSubscriberGateway.php b/Gateway/MailChimpSubscriberGateway.php
index 0e697af..dc607ec 100644
--- a/Gateway/MailChimpSubscriberGateway.php
+++ b/Gateway/MailChimpSubscriberGateway.php
@@ -133,7 +133,7 @@ public function hasStatus(string $email, string $listId, string $status): bool
         );
 
         // we have found a member
-        if (is_array($member) && !empty($member)) {
+        if (is_array($member) && !empty($member) && array_key_exists('status', $member)) {
             return ($member['status'] === $status);
         }