diff --git a/lib/core/tools/Get-IcingaCheckCommandConfig.psm1 b/lib/core/tools/Get-IcingaCheckCommandConfig.psm1
index 3b640f9..4c0a485 100644
--- a/lib/core/tools/Get-IcingaCheckCommandConfig.psm1
+++ b/lib/core/tools/Get-IcingaCheckCommandConfig.psm1
@@ -211,7 +211,7 @@ function Get-IcingaCheckCommandConfig()
                     if ($parameter.name -ne 'Verbose') {
                         $Basket.Command[$Data.Name].vars.Add($parameter.Name, '$$null');
                     } else {
-                        $Basket.Command[$Data.Name].vars.Add($parameter.Name, "");
+                        $Basket.Command[$Data.Name].vars.Add($parameter.Name, "0");
                     }
                 }