diff --git a/src/Entity/Form/GroupRevisionDeleteForm.php b/src/Entity/Form/GroupRevisionDeleteForm.php
index 03008a933fb384922f941a5f605c98571338eb26..fc0d45152dbc699b0a371e072ec0a8fa35ae83f7 100644
--- a/src/Entity/Form/GroupRevisionDeleteForm.php
+++ b/src/Entity/Form/GroupRevisionDeleteForm.php
@@ -111,7 +111,7 @@ class GroupRevisionDeleteForm extends ConfirmFormBase {
     $this->messenger()->addStatus(
       $this->t('Revision from %revision-date of @type %title has been deleted.', [
         '%revision-date' => $this->dateFormatter->format($this->revision->getRevisionCreationTime()),
-        '@type' => $group_type,
+        '@type' => $group_type->label(),
         '%title' => $this->revision->label(),
       ])
     );