diff --git a/davtelepot/bot.py b/davtelepot/bot.py
index 6b403fb..67e156f 100644
--- a/davtelepot/bot.py
+++ b/davtelepot/bot.py
@@ -1310,7 +1310,8 @@ class Bot(TelegramBot, ObjectWithDatabase, MultiLanguageObject):
                         ['path']
                     )
         finally:
-            buffered_file.close()
+            if buffered_file:
+                buffered_file.close()
         if (
             type(sent_update) is dict
             and 'document' in sent_update