diff --git a/library/Icinga/Model/Behavior/BoolCast.php b/library/Icinga/Model/Behavior/BoolCast.php
new file mode 100644
index 000000000..8320387cf
--- /dev/null
+++ b/library/Icinga/Model/Behavior/BoolCast.php
@@ -0,0 +1,32 @@
+<?php
+
+/* Icinga Web 2 | (c) 2022 Icinga GmbH | GPLv2+ */
+
+namespace Icinga\Model\Behavior;
+
+use ipl\Orm\Contract\PropertyBehavior;
+
+//TODO: Is copied from icingadb-web
+class BoolCast extends PropertyBehavior
+{
+    public function fromDb($value, $key, $_)
+    {
+        switch ($value) {
+            case 'y':
+                return true;
+            case 'n':
+                return false;
+            default:
+                return $value;
+        }
+    }
+
+    public function toDb($value, $key, $_)
+    {
+        if (is_string($value)) {
+            return $value;
+        }
+
+        return $value ? 'y' : 'n';
+    }
+}