diff --git a/swarms/workers/worker_node.py b/swarms/workers/worker_node.py
index 4854611d..e7584c73 100644
--- a/swarms/workers/worker_node.py
+++ b/swarms/workers/worker_node.py
@@ -91,8 +91,9 @@ class WorkerNodeInitializer:
 
     def initialize_vectorstore(self):
         try:
-            embeddings_model = OpenAIEmbeddings(openai_api_key=self.openai_api_key)
             embedding_size = self.embedding_size
+            embeddings_model = OpenAIEmbeddings(openai_api_key=self.openai_api_key)
+            embedding_size = embedding_size
             index = faiss.IndexFlatL2(embedding_size=embedding_size)
             return FAISS(embeddings_model.embed_query, index, InMemoryDocstore({}), {})