diff --git a/dspy/functional/functional.py b/dspy/functional/functional.py
index 2dff1dcf7..8bb826044 100644
--- a/dspy/functional/functional.py
+++ b/dspy/functional/functional.py
@@ -153,6 +153,7 @@ def _make_example(self, field) -> str:
                 "json_schema -> json_object",
                 "Make a very succinct json object that validates with the following schema",
             ),
+            _parse_values=False,
         )(json_schema=schema).json_object
         # We use the parser to make sure the json object is valid.
         try:
@@ -220,6 +221,7 @@ class Signature(dspy.Signature):
             task_description=task_description,
             language_model_output=model_output,
             error=error,
+            _parse_values=False,
         ).advice
 
     def _prepare_signature(self) -> dspy.Signature: