diff --git a/api/core/workflow/nodes/question_classifier/question_classifier_node.py b/api/core/workflow/nodes/question_classifier/question_classifier_node.py
index 564e548e9f..c8dfe7ccf9 100644
--- a/api/core/workflow/nodes/question_classifier/question_classifier_node.py
+++ b/api/core/workflow/nodes/question_classifier/question_classifier_node.py
@@ -156,8 +156,7 @@ class QuestionClassifierNode(Node[QuestionClassifierNodeData]):
                 prompt_messages=prompt_messages,
                 stop=stop,
                 user_id=self.user_id,
-                structured_output_enabled=False,
-                structured_output=None,
+                structured_output_schema=None,
                 file_saver=self._llm_file_saver,
                 file_outputs=self._file_outputs,
                 node_id=self._node_id,