diff --git a/lightrag/llm/azure_openai.py b/lightrag/llm/azure_openai.py
index c72826f8..98437ca8 100644
--- a/lightrag/llm/azure_openai.py
+++ b/lightrag/llm/azure_openai.py
@@ -172,6 +172,6 @@ async def azure_openai_embed(
     )
 
     response = await openai_async_client.embeddings.create(
-        model=deployment, input=texts, encoding_format="float"
+        model=model or deployment, input=texts, encoding_format="float"
     )
     return np.array([dp.embedding for dp in response.data])