diff --git a/netwatch-dns.rsc b/netwatch-dns.rsc
index 3da1498..4fa076a 100644
--- a/netwatch-dns.rsc
+++ b/netwatch-dns.rsc
@@ -118,15 +118,15 @@
     }
 
     :local Data false;
-    :do {
+    :onerror Err {
       :set Data ([ /tool/fetch check-certificate=yes-without-crl output=user \
         http-header-field=({ "accept: application/dns-message" }) \
         url=(($DohServer->"doh-url") . "?dns=" . [ :convert to=base64 ([ :rndstr length=2 ] . \
         "\01\00" . "\00\01" . "\00\00" . "\00\00" . "\00\00" . "\09doh-check\05eworm\02de\00" . \
         "\00\10" . "\00\01") ]) as-value ]->"data");
-    } on-error={
-      $LogPrint warning $ScriptName ("Request to DoH server failed (network or certificate issue): " . \
-        ($DohServer->"doh-url"));
+    } do={
+      $LogPrint warning $ScriptName ("Request to DoH server " . ($DohServer->"doh-url") . \
+          " failed: " . $Err);
     }
 
     :if ($Data != false) do={