diff --git a/mlflow/pyfunc/scoring_server/__init__.py b/mlflow/pyfunc/scoring_server/__init__.py
index 185953be6f202..0a2de58354474 100644
--- a/mlflow/pyfunc/scoring_server/__init__.py
+++ b/mlflow/pyfunc/scoring_server/__init__.py
@@ -85,7 +85,7 @@ def infer_and_parse_json_input(json_input, schema: Schema = None):
                 "Failed to parse input from JSON. Ensure that input is a valid JSON"
                 " formatted string."
             ),
-            error_code=MALFORMED_REQUEST,
+            error_code=BAD_REQUEST,
         )
 
     if isinstance(decoded_input, list):