diff --git a/Lib/posixpath.py b/Lib/posixpath.py
index ca578a5..785aa72 100644
--- a/Lib/posixpath.py
+++ b/Lib/posixpath.py
@@ -18,7 +18,7 @@
 extsep = '.'
 sep = '/'
 pathsep = ':'
-defpath = ':/bin:/usr/bin'
+defpath = '/bin:/usr/bin'
 altsep = None
 devnull = '/dev/null'