diff --git a/application/app.py b/application/app.py
index d9e6deeb..7350c498 100644
--- a/application/app.py
+++ b/application/app.py
@@ -2,6 +2,7 @@ import datetime
 import json
 import os
 import traceback
+import asyncio
 
 import dotenv
 import requests
@@ -97,6 +98,20 @@ mongo = MongoClient(app.config['MONGO_URI'])
 db = mongo["docsgpt"]
 vectors_collection = db["vectors"]
 
+async def async_generate(chain, question, chat_history):
+    result = await chain.arun({"question": question, "chat_history": chat_history})
+    return result
+
+def run_async_chain(chain, question, chat_history):
+    loop = asyncio.new_event_loop()
+    asyncio.set_event_loop(loop)
+    result = {}
+    try:
+        answer = loop.run_until_complete(async_generate(chain, question, chat_history))
+    finally:
+        loop.close()
+    result["answer"] = answer
+    return result
 
 @celery.task(bind=True)
 def ingest(self, directory, formats, name_job, filename, user):
@@ -197,7 +212,9 @@ def api_answer():
                 combine_docs_chain=doc_chain,
             )
             chat_history = []
-            result = chain({"question": question, "chat_history": chat_history})
+            #result = chain({"question": question, "chat_history": chat_history})
+            # generate async with async generate method
+            result = run_async_chain(chain, question, chat_history)
         else:
             qa_chain = load_qa_chain(llm=llm, chain_type="map_reduce",
                                      combine_prompt=c_prompt, question_prompt=q_prompt)