diff --git a/Tests/test_image.py b/Tests/test_image.py
index 7b02b779929..804e1b67239 100644
--- a/Tests/test_image.py
+++ b/Tests/test_image.py
@@ -1038,10 +1038,15 @@ def test_roundtrip_bytes_method(self, mode: str) -> None:
     def test_getdata_putdata(self, mode: str) -> None:
         im = hopper(mode)
 
-        # copy the data from the previous image to a new image
-        # and check that they are the same
         reloaded = Image.new(mode, im.size)
         reloaded.putdata(im.getdata())
+
+        print('Mode: ' + mode)
+        print('Before: ' + bin(int.from_bytes(im.tobytes()[58:60], 'little')))
+        print('Before: ' + str(list(im.getdata())[29]))
+        print('After: ' + bin(int.from_bytes(reloaded.tobytes()[58:60], 'little')))
+        print('Before: ' + str(list(reloaded.getdata())[29]))
+
         assert_image_equal(im, reloaded)