diff --git a/web/app/components/workflow/nodes/knowledge-retrieval/default.ts b/web/app/components/workflow/nodes/knowledge-retrieval/default.ts
index f66cab6ca937c..03591dd527aaa 100644
--- a/web/app/components/workflow/nodes/knowledge-retrieval/default.ts
+++ b/web/app/components/workflow/nodes/knowledge-retrieval/default.ts
@@ -36,7 +36,7 @@ const nodeDefault: NodeDefault<KnowledgeRetrievalNodeType> = {
     if (!errorMessages && (!payload.dataset_ids || payload.dataset_ids.length === 0))
       errorMessages = t(`${i18nPrefix}.errorMsg.fieldRequired`, { field: t(`${i18nPrefix}.nodes.knowledgeRetrieval.knowledge`) })
 
-    if (!errorMessages && payload.retrieval_mode === RETRIEVE_TYPE.multiWay && payload.multiple_retrieval_config?.reranking_mode === RerankingModeEnum.RerankingModel && !payload.multiple_retrieval_config?.reranking_model?.provider)
+    if (!errorMessages && payload.retrieval_mode === RETRIEVE_TYPE.multiWay && payload.multiple_retrieval_config?.reranking_mode === RerankingModeEnum.RerankingModel && !payload.multiple_retrieval_config?.reranking_model?.provider && payload.multiple_retrieval_config?.reranking_enable)
       errorMessages = t(`${i18nPrefix}.errorMsg.fieldRequired`, { field: t(`${i18nPrefix}.errorMsg.fields.rerankModel`) })
 
     if (!errorMessages && payload.retrieval_mode === RETRIEVE_TYPE.oneWay && !payload.single_retrieval_config?.model?.provider)