diff --git a/Lib/string.py b/Lib/string.py
index e5b5284..2bf4995 100644
--- a/Lib/string.py
+++ b/Lib/string.py
@@ -30,7 +30,7 @@
 
 # Case conversion helpers
 # Use str to convert Unicode literal in case of -U
-l = map(chr, xrange(256))
+l = map(chr, range(256))
 _idmap = str('').join(l)
 del l