diff --git a/library/Director/Objects/IcingaObject.php b/library/Director/Objects/IcingaObject.php
index 33827ade..c6f5c4a7 100644
--- a/library/Director/Objects/IcingaObject.php
+++ b/library/Director/Objects/IcingaObject.php
@@ -787,13 +787,14 @@ abstract class IcingaObject extends DbObject implements IcingaConfigRenderer
         }
     }
 
-    protected function renderRelationProperty($propertyName, $id)
+    protected function renderRelationProperty($propertyName, $id, $renderKey = null)
     {
         return c::renderKeyValue(
-            $propertyName,
+            $renderKey ?: $propertyName,
             c::renderString($this->getRelatedObjectName($propertyName, $id))
         );
     }
+
     protected function renderCommandProperty($commandId, $propertyName = 'check_command')
     {
         return c::renderKeyValue(