diff --git a/library/Businessprocess/Html/Html.php b/library/Businessprocess/Html/Html.php
index 200da14..227e1f4 100644
--- a/library/Businessprocess/Html/Html.php
+++ b/library/Businessprocess/Html/Html.php
@@ -3,6 +3,7 @@
 namespace Icinga\Module\Businessprocess\Html;
 
 use Icinga\Exception\ProgrammingError;
+use Exception;
 
 class Html implements Renderable
 {