diff --git a/check-certificates.rsc b/check-certificates.rsc
index be8e4df..75a006e 100644
--- a/check-certificates.rsc
+++ b/check-certificates.rsc
@@ -13,7 +13,7 @@
 :while ($GlobalFunctionsReady != true) do={ :delay 500ms; }
 
 :local ExitOK false;
-:do {
+:onerror Err {
   :local ScriptName [ :jobname ];
 
   :global CertRenewTime;
@@ -237,6 +237,6 @@
           ", it is invalid after " . ($CertVal->"invalid-after") . ".");
     }
   }
-} on-error={
-  :global ExitError; $ExitError $ExitOK [ :jobname ];
+} do={
+  :global ExitError; $ExitError $ExitOK [ :jobname ] $Err;
 }