diff --git a/fix_encoding.py b/fix_encoding.py
index 1d84750e73..ce4bccc895 100644
--- a/fix_encoding.py
+++ b/fix_encoding.py
@@ -380,6 +380,7 @@ def fix_encoding():
 
   if sys.platform == 'win32':
     encoding = sys.getdefaultencoding()
-    ret &= fix_win_sys_argv(encoding)
+    if sys.version_info[0] == 2:
+      ret &= fix_win_sys_argv(encoding)
     ret &= fix_win_console(encoding)
   return ret