diff --git a/maxapi/connection/base.py b/maxapi/connection/base.py
index c604c68..0e25d30 100644
--- a/maxapi/connection/base.py
+++ b/maxapi/connection/base.py
@@ -4,7 +4,6 @@ import os
 import mimetypes
 
 from typing import TYPE_CHECKING, Any, Optional
-from uuid import uuid4
 
 import aiofiles
 import puremagic
@@ -156,6 +155,7 @@ class BaseConnection:
         
     async def upload_file_buffer(
         self,
+        filename: str,
         url: str,
         buffer: bytes,
         type: UploadType
@@ -182,7 +182,7 @@ class BaseConnection:
             mime_type = f"{type.value}/*"
             ext = ''
 
-        basename = f'{uuid4()}{ext}'
+        basename = f'{filename}{ext}'
 
         form = FormData()
         form.add_field(
diff --git a/maxapi/types/input_media.py b/maxapi/types/input_media.py
index 5ec9b26..df01e94 100644
--- a/maxapi/types/input_media.py
+++ b/maxapi/types/input_media.py
@@ -68,13 +68,15 @@ class InputMediaBuffer:
         type (UploadType): Тип файла, определенный по содержимому.
     """
 
-    def __init__(self, buffer: bytes):
+    def __init__(self, buffer: bytes, filename: str | None = None):
         """
         Инициализирует объект медиафайла из буфера.
 
         Args:
             buffer (IO): Буфер с содержимым файла.
+            filename (str): Название файла (по умолчанию присваивается uuid4).
         """
+        self.filename = filename
         self.buffer = buffer
         self.type = self.__detect_file_type(buffer)
 
diff --git a/maxapi/utils/message.py b/maxapi/utils/message.py
index aa0de48..0fbe13f 100644
--- a/maxapi/utils/message.py
+++ b/maxapi/utils/message.py
@@ -2,6 +2,7 @@ from __future__ import annotations
 
 from typing import TYPE_CHECKING
 from json import loads
+from uuid import uuid4
 
 from ..types.input_media import InputMedia, InputMediaBuffer
 from ..enums.upload_type import UploadType
@@ -46,6 +47,7 @@ async def process_input_media(
         )
     elif isinstance(att, InputMediaBuffer): 
         upload_file_response = await base_connection.upload_file_buffer(
+            filename=att.filename or str(uuid4()),
             url=upload.url,
             buffer=att.buffer,
             type=att.type,