diff --git a/lib/base.js b/lib/base.js
index aa7701b..4597b8e 100644
--- a/lib/base.js
+++ b/lib/base.js
@@ -113,7 +113,7 @@ export class PlivoResourceInterface {
       client('GET', action, params)
         .then(response => {
           let objects = [];
-          Object.defineProperty(objects, 'meta', { value: response.body.meta });
+          Object.defineProperty(objects, 'meta', { value: response.body.meta, enumerable: true });
           response.body.objects.forEach(item => {
             objects.push(new Klass(client, item));
           });