1 files changed, 1 insertions, 1 deletions
diff --git a/Lib/base64.py b/Lib/base64.py
index 44cd03a20f..3158fdcee2 100755
--- a/Lib/base64.py
+++ b/Lib/base64.py
@@ -9,7 +9,7 @@ import binascii
 __all__ = ["encode","decode","encodestring","decodestring"]
 
 MAXLINESIZE = 76 # Excluding the CRLF
-MAXBINSIZE = (MAXLINESIZE/4)*3
+MAXBINSIZE = (MAXLINESIZE//4)*3
 
 def encode(input, output):
     """Encode a file."""