diff --git a/app/utils/PER_REQ_CONFIG_MODIFIER.py b/app/utils/PER_REQ_CONFIG_MODIFIER.py
index 6f944db..ec6ee93 100644
--- a/app/utils/PER_REQ_CONFIG_MODIFIER.py
+++ b/app/utils/PER_REQ_CONFIG_MODIFIER.py
@@ -1,8 +1,14 @@
+import uuid
+
+
 async def PER_REQ_CONFIG_MODIFIER(config, request):
   body = await request.json()
   return {
     "configurable": {
       "thread_id":
-        body.get("config", {}).get("configurable", {}).get("thread_id", "default")
+        body
+        .get("config", {})
+        .get("configurable", {})
+        .get("thread_id", None) or str(uuid.uuid4())
     }
   }