diff --git a/library/Director/CustomVariable/CustomVariables.php b/library/Director/CustomVariable/CustomVariables.php
index 31acf9ac..5e3991c0 100644
--- a/library/Director/CustomVariable/CustomVariables.php
+++ b/library/Director/CustomVariable/CustomVariables.php
@@ -178,6 +178,11 @@ class CustomVariables implements Iterator, Countable, IcingaConfigRenderer
         return $this;
     }
 
+    public function getOriginalVars()
+    {
+        return $this->storedVars;
+    }
+
     public function toConfigString()
     {
         $out = '';