diff --git a/Tests/test_lib_image.py b/Tests/test_lib_image.py
index 7d77f096393..88b195fd960 100644
--- a/Tests/test_lib_image.py
+++ b/Tests/test_lib_image.py
@@ -26,11 +26,11 @@
     "BGR;24",
 )
 
+
 @pytest.mark.parametrize("mode", mode_names)
 def test_equal(mode):
     num_img_bytes = len(Image.new(mode, (2, 2)).tobytes())
-    # alternatively, random.randbytes() in Python 3.9
-    data = secrets.token_bytes(num_img_bytes)
+    data = b"0\xd2\xf9\x92Db\xbd]\x84\x86fd%\xfeR\x1b"
     img_a = Image.frombytes(mode, (2, 2), data)
     img_b = Image.frombytes(mode, (2, 2), data)
     assert img_a.tobytes() == img_b.tobytes()