diff --git a/langchain/vectorstores/elastic_vector_search.py b/langchain/vectorstores/elastic_vector_search.py
index cb238563553..17af42c66ad 100644
--- a/langchain/vectorstores/elastic_vector_search.py
+++ b/langchain/vectorstores/elastic_vector_search.py
@@ -200,8 +200,8 @@ class ElasticVectorSearch(VectorStore, ABC):
         """
         embedding = self.embedding.embed_query(query)
         script_query = _default_script_query(embedding)
-        response = self.client.search(index=self.index_name, query=script_query)
-        hits = [hit["_source"] for hit in response["hits"]["hits"][:k]]
+        response = self.client.search(index=self.index_name, query=script_query, size=k)
+        hits = [hit["_source"] for hit in response["hits"]["hits"]]
         documents = [
             Document(page_content=hit["text"], metadata=hit["metadata"]) for hit in hits
         ]