diff --git a/src/Form/ConfigNotifySettingsForm.php b/src/Form/ConfigNotifySettingsForm.php
index 741a1e976984ed08f10618c9be2ebaac112e0249..a5332b9dbe33db46890edd5bc1d39a576e0483a6 100644
--- a/src/Form/ConfigNotifySettingsForm.php
+++ b/src/Form/ConfigNotifySettingsForm.php
@@ -113,11 +113,11 @@ class ConfigNotifySettingsForm extends ConfigFormBase {
     $changes = $this->notifier->checkChanges();
     if ($changes) {
       $message = $this->t('There are configuration changes.');
-      $this->messenger->addMessage($message, 'warning');
+      $this->messenger->addWarning($message);
     }
     else {
       $message = $this->t('There are no configuration changes.');
-      $this->messenger->addMessage($message, 'status');
+      $this->messenger->addStatus($message);
     }
 
     $form['notification_frequency'] = [
@@ -296,20 +296,20 @@ class ConfigNotifySettingsForm extends ConfigFormBase {
     if ($config->get('slack')) {
       $message = $this->notifier->getDefaultMessage(TRUE);
       if ($this->notifier->notifySlack($message)) {
-        $this->messenger->addMessage($this->t('Slack: Message was successfully sent.'));
+        $this->messenger->addStatus($this->t('Slack: Message was successfully sent.'));
       }
       else {
-        $this->messenger->addMessage($this->t('Slack: Message not sent. Please check log messages for details'), 'warning');
+        $this->messenger->addWarning($this->t('Slack: Message not sent. Please check log messages for details'));
       }
     }
 
     if ($config->get('email')) {
       $message = $this->notifier->getDefaultMessage();
       if ($this->notifier->notifyEmail($message, $config->get('email_to'))) {
-        $this->messenger->addMessage($this->t('Email: Message was successfully sent.'));
+        $this->messenger->addStatus($this->t('Email: Message was successfully sent.'));
       }
       else {
-        $this->messenger->addMessage($this->t('Email: Message not sent. Please check log messages for details'), 'warning');
+        $this->messenger->addWarning($this->t('Email: Message not sent. Please check log messages for details'));
       }
     }