diff --git a/dehydrated b/dehydrated
index 5c9887d..f8e0616 100755
--- a/dehydrated
+++ b/dehydrated
@@ -1106,7 +1106,7 @@ command_sign_domains() {
 
   # Hook scripts should ignore any hooks they don't know.
   # Calling a random hook to make this clear to the hook script authors...
-  [[ -n "${HOOK}" ]] && "${HOOK}" "$(openssl rand -base64 16)" "please ignore unknown hooks!!!"
+  [[ -n "${HOOK}" ]] && "${HOOK}" "$(openssl rand -base64 16)_this_hookscript_is_broken__dehydrated_is_working_fine__please_ignore_unknown_hooks_in_your_script"
 
   # Call startup hook
   [[ -n "${HOOK}" ]] && "${HOOK}" "startup_hook"