diff --git a/plugin.js b/plugin.js
index 7cf20dd..65bc10d 100644
--- a/plugin.js
+++ b/plugin.js
@@ -591,7 +591,7 @@ exports.init = function () {
             // Return all saved payment methods tied to the provided customer UUID.
             var methods = [];
             var response = await apiRequest(`v2/cards?reference_id=${customerUUID}`, {}, "GET");
-            if (Object.keys(response).length == 0) {
+            if (Object.keys(response).length == 0 || typeof response.cards == "undefined") {
                 return [];
             }
             console.log(response);