diff --git a/api/core/workflow/nodes/parameter_extractor/prompts.py b/api/core/workflow/nodes/parameter_extractor/prompts.py
index ab7ddcc32a..b74be8f206 100644
--- a/api/core/workflow/nodes/parameter_extractor/prompts.py
+++ b/api/core/workflow/nodes/parameter_extractor/prompts.py
@@ -179,6 +179,6 @@ CHAT_EXAMPLE = [
                 "required": ["food"],
             },
         },
-        "assistant": {"text": "I need to output a valid JSON object.", "json": {"result": "apple pie"}},
+        "assistant": {"text": "I need to output a valid JSON object.", "json": {"food": "apple pie"}},
     },
 ]