diff --git a/Lib/test/test_zlib.py b/Lib/test/test_zlib.py
index ab1c799c040..b7d99c32b30 100644
--- a/Lib/test/test_zlib.py
+++ b/Lib/test/test_zlib.py
@@ -12,8 +12,10 @@
 file.close()
 
 # test the checksums (hex so the test doesn't break on 64-bit machines)
-print hex(zlib.crc32('penguin')), hex(zlib.crc32('penguin', 1))
-print hex(zlib.adler32('penguin')), hex(zlib.adler32('penguin', 1))
+def fix(x):
+    return "0x%x" % (x & 0xffffffffL)
+print fix(zlib.crc32('penguin')), fix(zlib.crc32('penguin', 1))
+print fix(zlib.adler32('penguin')), fix(zlib.adler32('penguin', 1))
 
 # make sure we generate some expected errors
 try: