From 95603e9717c81d3492933c3a8d094bfbb7e90340 Mon Sep 17 00:00:00 2001
From: Andrew Murray <3112309+radarhere@users.noreply.github.com>
Date: Mon, 2 Jun 2025 20:14:11 +1000
Subject: [PATCH] Use ImageFile.MAXBLOCK in tobytes() (#8906)

---
 src/PIL/Image.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/PIL/Image.py b/src/PIL/Image.py
index aaa3332ee..ed2f728aa 100644
--- a/src/PIL/Image.py
+++ b/src/PIL/Image.py
@@ -802,7 +802,9 @@ class Image:
         e = _getencoder(self.mode, encoder_name, encoder_args)
         e.setimage(self.im)
 
-        bufsize = max(65536, self.size[0] * 4)  # see RawEncode.c
+        from . import ImageFile
+
+        bufsize = max(ImageFile.MAXBLOCK, self.size[0] * 4)  # see RawEncode.c
 
         output = []
         while True: