diff --git a/pyrogram/methods/advanced/save_file.py b/pyrogram/methods/advanced/save_file.py
index e9727951..a74c388c 100644
--- a/pyrogram/methods/advanced/save_file.py
+++ b/pyrogram/methods/advanced/save_file.py
@@ -154,7 +154,7 @@ class SaveFile(Scaffold):
                     chunk = fp.read(part_size)
 
                     if not chunk:
-                        if not is_big:
+                        if not is_big and not is_missing_part:
                             md5_sum = "".join([hex(i)[2:].zfill(2) for i in md5_sum.digest()])
                         break
 
@@ -177,7 +177,7 @@ class SaveFile(Scaffold):
                     if is_missing_part:
                         return
 
-                    if not is_big:
+                    if not is_big and not is_missing_part:
                         md5_sum.update(chunk)
 
                     file_part += 1