diff --git a/api/core/app/apps/chat/app_generator.py b/api/core/app/apps/chat/app_generator.py
index 5b896e2845..ad7b030f5c 100644
--- a/api/core/app/apps/chat/app_generator.py
+++ b/api/core/app/apps/chat/app_generator.py
@@ -116,7 +116,7 @@ class ChatAppGenerator(MessageBasedAppGenerator):
             app_config=app_config,
             model_conf=ModelConfigConverter.convert(app_config),
             conversation_id=conversation.id if conversation else None,
-            inputs=conversation.inputs if conversation else self._get_cleaned_inputs(inputs, app_config),
+            inputs=self._get_cleaned_inputs(inputs, app_config),
             query=query,
             files=file_objs,
             user_id=user.id,