diff --git a/libs/kotaemon/kotaemon/embeddings/openai.py b/libs/kotaemon/kotaemon/embeddings/openai.py
index 62517fe..6f9a246 100644
--- a/libs/kotaemon/kotaemon/embeddings/openai.py
+++ b/libs/kotaemon/kotaemon/embeddings/openai.py
@@ -59,7 +59,7 @@ class BaseOpenAIEmbeddings(BaseEmbeddings):
         input_ = self.prepare_input(text)
         client = self.prepare_client(async_version=False)
         resp = self.openai_response(
-            client, input=[_.text for _ in input_], **kwargs
+            client, input=[_.text if _.text else " " for _ in input_], **kwargs
         ).dict()
         output_ = sorted(resp["data"], key=lambda x: x["index"])
         return [
@@ -73,7 +73,7 @@ class BaseOpenAIEmbeddings(BaseEmbeddings):
         input_ = self.prepare_input(text)
         client = self.prepare_client(async_version=True)
         resp = await self.openai_response(
-            client, input=[_.text for _ in input_], **kwargs
+            client, input=[_.text if _.text else " " for _ in input_], **kwargs
         ).dict()
         output_ = sorted(resp["data"], key=lambda x: x["index"])
         return [
diff --git a/libs/ktem/flowsettings.py b/libs/ktem/flowsettings.py
index 0284e25..d73b9cf 100644
--- a/libs/ktem/flowsettings.py
+++ b/libs/ktem/flowsettings.py
@@ -59,12 +59,13 @@ if config("AZURE_OPENAI_API_KEY", default="") and config(
             "spec": {
                 "__type__": "kotaemon.embeddings.LCAzureOpenAIEmbeddings",
                 "azure_endpoint": config("AZURE_OPENAI_ENDPOINT", default=""),
-                "openai_api_key": config("AZURE_OPENAI_API_KEY", default=""),
+                "api_key": config("AZURE_OPENAI_API_KEY", default=""),
                 "api_version": config("OPENAI_API_VERSION", default="")
                 or "2024-02-15-preview",
-                "deployment": config("AZURE_OPENAI_EMBEDDINGS_DEPLOYMENT", default=""),
-                "request_timeout": 10,
-                "chunk_size": 16,
+                "azure_deployment": config(
+                    "AZURE_OPENAI_EMBEDDINGS_DEPLOYMENT", default=""
+                ),
+                "timeout": 10,
             },
             "default": False,
             "accuracy": 5,
@@ -96,7 +97,6 @@ if config("OPENAI_API_KEY", default=""):
                 )
                 or "text-embedding-ada-002",
                 "timeout": 10,
-                "chunk_size": 16,
             },
             "default": False,
         }