diff --git a/modules/st2-auto-form/fields/array.js b/modules/st2-auto-form/fields/array.js
index d77a088e5..110892342 100644
--- a/modules/st2-auto-form/fields/array.js
+++ b/modules/st2-auto-form/fields/array.js
@@ -21,7 +21,7 @@ const typeChecks = (type, value) => {
     case 'integer':
       return !validator.isInt(v) && `'${v}' is not an integer`;
     case 'object':
-      return !_.isPlainObject(v) && `'${v}' is not an object`;
+      return !_.isPlainObject(value) && `'${v}' is not an object`;
     case 'string':
     default:
       return false;
@@ -79,6 +79,10 @@ export default class ArrayField extends BaseTextField {
       return v;
     }
 
+    if (Array.isArray(v) && this.props.spec.items.type === 'object') {
+      return JSON.stringify(v);
+    }
+
     const { secret } = this.props.spec || {};
     if (secret && v && !Array.isArray(v)) {
       return v;