diff --git a/Lib/shlex.py b/Lib/shlex.py
index fa18bb9..e7c8acc 100644
--- a/Lib/shlex.py
+++ b/Lib/shlex.py
@@ -272,7 +272,7 @@
         return token
 
 def split(s, comments=False, posix=True):
-    lex = shlex(s, posix)
+    lex = shlex(s, posix=posix)
     lex.whitespace_split = True
     if not comments:
         lex.commenters = ''