diff --git a/library/Icingadb/Widget/ShowMore.php b/library/Icingadb/Widget/ShowMore.php
index ba38af3b..d7fc7fb4 100644
--- a/library/Icingadb/Widget/ShowMore.php
+++ b/library/Icingadb/Widget/ShowMore.php
@@ -58,7 +58,7 @@ class ShowMore extends BaseHtmlElement
     protected function assemble(): void
     {
         if ($this->resultSet->hasMore()) {
-            $this->add(new ActionLink($this->getLabel(), $this->url));
+            $this->addHtml(new ActionLink($this->getLabel(), $this->url));
         }
     }
 }