1 files changed, 2 insertions, 2 deletions
diff --git a/Lib/base64.py b/Lib/base64.py
index a8d9f21..20ed67d 100755
--- a/Lib/base64.py
+++ b/Lib/base64.py
@@ -383,9 +383,9 @@ def main():
         if o == '-u': func = decode
         if o == '-t': test(); return
     if args and args[0] != '-':
-        func(open(args[0], 'rb'), sys.stdout)
+        func(open(args[0], 'rb'), sys.stdout.buffer)
     else:
-        func(sys.stdin, sys.stdout)
+        func(sys.stdin.buffer, sys.stdout.buffer)
 
 
 def test():