diff --git a/pyrogram/utils.py b/pyrogram/utils.py
index ce19e3bd..b9f3fdd8 100644
--- a/pyrogram/utils.py
+++ b/pyrogram/utils.py
@@ -350,7 +350,7 @@ def zero_datetime() -> datetime:
 
 
 def timestamp_to_datetime(ts: Optional[int]) -> Optional[datetime]:
-    return datetime.fromtimestamp(ts, timezone.utc) if ts else None
+    return datetime.fromtimestamp(ts) if ts else None
 
 
 def datetime_to_timestamp(dt: Optional[datetime]) -> Optional[int]: