diff --git a/assets/js/src/newsletters/listings/mixins.jsx b/assets/js/src/newsletters/listings/mixins.jsx
index dfab6cb7df..1c0c35ca3c 100644
--- a/assets/js/src/newsletters/listings/mixins.jsx
+++ b/assets/js/src/newsletters/listings/mixins.jsx
@@ -327,7 +327,7 @@ const _MailerMixin = {
       MailPoet.I18n.t('mailerCheckSettingsNotice'),
       /\[link\](.*?)\[\/link\]/g,
       match => (
-        <a href={'?page=mailpoet-settings#mta'}>{ match }</a>
+        <a href={'?page=mailpoet-settings#mta'} key="check-sending">{ match }</a>
       )
     );
     if (state.meta.mta_log.error.operation === 'send') {
diff --git a/assets/js/src/notice.js b/assets/js/src/notice.js
index 26dbde4a0f..c014469a08 100644
--- a/assets/js/src/notice.js
+++ b/assets/js/src/notice.js
@@ -124,7 +124,7 @@ define('notice', ['mailpoet', 'jquery'], function(mp, jQuery) {
       if (
         this.options.id !== null
         &&
-        jQuery('[data-id="'+this.options.id+'"').length > 0
+        jQuery('[data-id="'+this.options.id+'"]').length > 0
       ) {
         this.updateNotice();
       } else {