diff --git a/libs/langchain-weaviate/src/vectorstores.ts b/libs/langchain-weaviate/src/vectorstores.ts
index 6c97aa7b7b60..50f7aacc5f8b 100644
--- a/libs/langchain-weaviate/src/vectorstores.ts
+++ b/libs/langchain-weaviate/src/vectorstores.ts
@@ -322,7 +322,7 @@ export class WeaviateStore extends VectorStore {
             pageContent: text,
             metadata: {
               ...rest,
-              collectionName: this.indexName
+              collectionName: this.indexName,
             },
             id: _additional.id,
           }),