diff --git a/langchain/chains/combine_documents/reduce.py b/langchain/chains/combine_documents/reduce.py
index 7ecde047cbb..a5b38695b10 100644
--- a/langchain/chains/combine_documents/reduce.py
+++ b/langchain/chains/combine_documents/reduce.py
@@ -193,7 +193,7 @@ class ReduceDocumentsChain(BaseCombineDocumentsChain):
             element returned is a dictionary of other keys to return.
         """
         result_docs, extra_return_dict = self._collapse(
-            docs, token_max, callbacks=callbacks, **kwargs
+            docs, token_max=token_max, callbacks=callbacks, **kwargs
         )
         return self.combine_documents_chain.combine_docs(
             docs=result_docs, callbacks=callbacks, **kwargs
@@ -222,7 +222,7 @@ class ReduceDocumentsChain(BaseCombineDocumentsChain):
             element returned is a dictionary of other keys to return.
         """
         result_docs, extra_return_dict = await self._acollapse(
-            docs, callbacks=callbacks, **kwargs
+            docs, token_max=token_max, callbacks=callbacks, **kwargs
         )
         return await self.combine_documents_chain.acombine_docs(
             docs=result_docs, callbacks=callbacks, **kwargs