diff --git a/Lib/test/test_b2.py b/Lib/test/test_b2.py
index c46c06cc708..1c1ea0c2c67 100644
--- a/Lib/test/test_b2.py
+++ b/Lib/test/test_b2.py
@@ -5,7 +5,8 @@
 print 'oct'
 if oct(100) != '0144': raise TestFailed, 'oct(100)'
 if oct(100L) != '0144L': raise TestFailed, 'oct(100L)'
-if oct(-100) != '037777777634': raise TestFailed, 'oct(-100)'
+if oct(-100) not in ('037777777634', '01777777777777777777634'):
+    raise TestFailed, 'oct(-100)'
 if oct(-100L) != '-0144L': raise TestFailed, 'oct(-100L)'
 
 print 'open'