diff --git a/backend/apps/ollama/main.py b/backend/apps/ollama/main.py
index 05f42145c..22a30474e 100644
--- a/backend/apps/ollama/main.py
+++ b/backend/apps/ollama/main.py
@@ -889,10 +889,11 @@ class OpenAIChatCompletionForm(BaseModel):
 @app.post("/v1/chat/completions")
 @app.post("/v1/chat/completions/{url_idx}")
 async def generate_openai_chat_completion(
-    form_data: OpenAIChatCompletionForm,
+    form_data: dict,
     url_idx: Optional[int] = None,
     user=Depends(get_verified_user),
 ):
+    form_data = OpenAIChatCompletionForm(**form_data)
 
     payload = {
         **form_data.model_dump(exclude_none=True),
diff --git a/backend/main.py b/backend/main.py
index 40793867d..db1fa1640 100644
--- a/backend/main.py
+++ b/backend/main.py
@@ -206,9 +206,7 @@ async def get_function_call_response(messages, tool_id, template, task_model_id,
     response = None
     try:
         if model["owned_by"] == "ollama":
-            response = await generate_ollama_chat_completion(
-                OpenAIChatCompletionForm(**payload), user=user
-            )
+            response = await generate_ollama_chat_completion(payload, user=user)
         else:
             response = await generate_openai_chat_completion(payload, user=user)
 
@@ -798,9 +796,7 @@ async def generate_title(form_data: dict, user=Depends(get_verified_user)):
         )
 
     if model["owned_by"] == "ollama":
-        return await generate_ollama_chat_completion(
-            OpenAIChatCompletionForm(**payload), user=user
-        )
+        return await generate_ollama_chat_completion(payload, user=user)
     else:
         return await generate_openai_chat_completion(payload, user=user)
 
@@ -863,9 +859,7 @@ async def generate_search_query(form_data: dict, user=Depends(get_verified_user)
         )
 
     if model["owned_by"] == "ollama":
-        return await generate_ollama_chat_completion(
-            OpenAIChatCompletionForm(**payload), user=user
-        )
+        return await generate_ollama_chat_completion(payload, user=user)
     else:
         return await generate_openai_chat_completion(payload, user=user)
 
@@ -932,9 +926,7 @@ Message: """{{prompt}}"""
         )
 
     if model["owned_by"] == "ollama":
-        return await generate_ollama_chat_completion(
-            OpenAIChatCompletionForm(**payload), user=user
-        )
+        return await generate_ollama_chat_completion(payload, user=user)
     else:
         return await generate_openai_chat_completion(payload, user=user)
 
@@ -991,9 +983,7 @@ async def generate_chat_completions(form_data: dict, user=Depends(get_verified_u
     print(model)
 
     if model["owned_by"] == "ollama":
-        return await generate_ollama_chat_completion(
-            OpenAIChatCompletionForm(**form_data), user=user
-        )
+        return await generate_ollama_chat_completion(form_data, user=user)
     else:
         return await generate_openai_chat_completion(form_data, user=user)