From 780383d081607c0099004c2824a1493ced3d78a9 Mon Sep 17 00:00:00 2001
From: Hzunax <stijn.van.asschodt@gmail.com>
Date: Wed, 8 Jul 2020 17:25:39 +0200
Subject: [PATCH] fix(formgroup): wait for formElements to register

_setValueForAllFormElements must wait for formElements to be registered
---
 packages/form-core/src/form-group/FormGroupMixin.js | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/packages/form-core/src/form-group/FormGroupMixin.js b/packages/form-core/src/form-group/FormGroupMixin.js
index 1439f6766..f57faa039 100644
--- a/packages/form-core/src/form-group/FormGroupMixin.js
+++ b/packages/form-core/src/form-group/FormGroupMixin.js
@@ -269,7 +269,10 @@ export const FormGroupMixin = dedupeMixin(
         return result;
       }
 
-      _setValueForAllFormElements(property, value) {
+      async _setValueForAllFormElements(property, value) {
+        if (!this.__readyForRegistration) {
+          await this.registrationReady;
+        }
         this.formElements.forEach(el => {
           el[property] = value; // eslint-disable-line no-param-reassign
         });