diff --git a/fusto/exstream-generators.js b/fusto/exstream-generators.js
index 131756e..aa100fd 100644
--- a/fusto/exstream-generators.js
+++ b/fusto/exstream-generators.js
@@ -3,7 +3,7 @@ const __ = require('exstream.js')
 const arrayMapping = ({
   // zeroBased = true,
   prefix = '',
-  items,
+  items = [],
 }) => (push, next) => {
   items.map((item, index) => {
     // console.log({prefix, item, index})
diff --git a/package.json b/package.json
index 9e815fc..e39bf5a 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "moar-js",
-  "version": "1.12.2",
+  "version": "1.12.3",
   "description": "Simple JavaScript files I use across projects",
   "author": {
     "name": "Daniele Dellafiore"