diff --git a/templates/components/vectordbs/python/milvus/generate.py b/templates/components/vectordbs/python/milvus/generate.py
index 862ddd84181392a10e74054151f3882f7aebbff6..b980d9f870132615ef800b776c023e41e125feeb 100644
--- a/templates/components/vectordbs/python/milvus/generate.py
+++ b/templates/components/vectordbs/python/milvus/generate.py
@@ -20,7 +20,7 @@ def generate_datasource():
     documents = get_documents()
     store = MilvusVectorStore(
         uri=os.environ["MILVUS_ADDRESS"],
-        user=os.getenv("MILVUS_USER"),
+        user=os.getenv("MILVUS_USERNAME"),
         password=os.getenv("MILVUS_PASSWORD"),
         collection_name=os.getenv("MILVUS_COLLECTION"),
         dim=int(os.getenv("MILVUS_DIMENSION", "1536")),
diff --git a/templates/components/vectordbs/python/milvus/index.py b/templates/components/vectordbs/python/milvus/index.py
index 130840ccb46bdffe009e00d81713c0e818ddc7e0..b3cd93d55eb76a75579b6f63b39e0b7f39e2ce87 100644
--- a/templates/components/vectordbs/python/milvus/index.py
+++ b/templates/components/vectordbs/python/milvus/index.py
@@ -12,7 +12,7 @@ def get_index():
     logger.info("Connecting to index from Milvus...")
     store = MilvusVectorStore(
         uri=os.getenv("MILVUS_ADDRESS"),
-        user=os.getenv("MILVUS_USER"),
+        user=os.getenv("MILVUS_USERNAME"),
         password=os.getenv("MILVUS_PASSWORD"),
         collection_name=os.getenv("MILVUS_COLLECTION"),
         dim=int(os.getenv("EMBEDDING_DIM", "1536")),