diff --git a/src/Plugin/Block/AdministerContentTypes.php b/src/Plugin/Block/AdministerContentTypes.php
index 386424e..cb9c338 100644
--- a/src/Plugin/Block/AdministerContentTypes.php
+++ b/src/Plugin/Block/AdministerContentTypes.php
@@ -219,6 +219,9 @@ class AdministerContentTypes extends BlockBase implements BlockPluginInterface,
       '#rows' => $rows,
       '#footer' => $link,
     ];
+    if (!$link) {
+      return $body_data;
+    }
 
     $markup_data = $this->renderer->render($body_data) . $link->toString();