diff --git a/private_gpt/ui/ui.py b/private_gpt/ui/ui.py
index c23bd378fa..c7b538a3e9 100644
--- a/private_gpt/ui/ui.py
+++ b/private_gpt/ui/ui.py
@@ -1,6 +1,7 @@
 """This file should be imported only and only if you want to run the UI locally."""
 import itertools
 import logging
+import time
 from collections.abc import Iterable
 from pathlib import Path
 from typing import Any
@@ -87,6 +88,7 @@ def yield_deltas(completion_gen: CompletionGen) -> Iterable[str]:
                 elif isinstance(delta, ChatResponse):
                     full_response += delta.delta or ""
                 yield full_response
+                time.sleep(0.02)
 
             if completion_gen.sources:
                 full_response += SOURCES_SEPARATOR