diff --git a/PIL/Image.py b/PIL/Image.py
index d207a8dd2..1e49498b4 100644
--- a/PIL/Image.py
+++ b/PIL/Image.py
@@ -1601,7 +1601,6 @@ class Image(object):
         self.load()
         if self.readonly:
             self._copy()
-            self.pyaccess = None
             self.load()
 
         if self.pyaccess: