diff --git a/library/Director/IcingaConfigHelper.php b/library/Director/IcingaConfigHelper.php
index 54e40275..32c32543 100644
--- a/library/Director/IcingaConfigHelper.php
+++ b/library/Director/IcingaConfigHelper.php
@@ -38,7 +38,7 @@ class IcingaConfigHelper
     public static function renderKeyValue($key, $value, $prefix = '')
     {
         return sprintf(
-            "%s    %s = %s\n",
+            "%s%s = %s\n",
             $prefix,
             $key,
             $value