diff --git a/packages/components/nodes/vectorstores/OpenSearch/OpenSearch.ts b/packages/components/nodes/vectorstores/OpenSearch/OpenSearch.ts
index 662e5130180..df721c49031 100644
--- a/packages/components/nodes/vectorstores/OpenSearch/OpenSearch.ts
+++ b/packages/components/nodes/vectorstores/OpenSearch/OpenSearch.ts
@@ -80,7 +80,7 @@ class OpenSearch_VectorStores implements INode {
 
     //@ts-ignore
     vectorStoreMethods = {
-        async upsert(nodeData: INodeData, _: string, options: ICommonObject): Promise<Partial<IndexingResult>> {
+        async upsert(nodeData: INodeData, options: ICommonObject): Promise<Partial<IndexingResult>> {
             const docs = nodeData.inputs?.document as Document[]
             const embeddings = nodeData.inputs?.embeddings as Embeddings
             const indexName = nodeData.inputs?.indexName as string