diff --git a/plugins/ralph-wiggum/hooks/stop-hook.sh b/plugins/ralph-wiggum/hooks/stop-hook.sh
index 9aa611c104..eae09d5a5b 100755
--- a/plugins/ralph-wiggum/hooks/stop-hook.sh
+++ b/plugins/ralph-wiggum/hooks/stop-hook.sh
@@ -168,7 +168,7 @@ jq -n \
   --arg prompt "$PROMPT_TEXT" \
   --arg msg "$SYSTEM_MSG" \
   '{
-    "decision": "block",
+    "ok": false,
     "reason": $prompt,
     "systemMessage": $msg
   }'