use join

1 files changed, 1 insertions, 1 deletions

diff --git a/setup.py b/setup.py
index 55120babf..49268b6b1 100644
--- a/setup.py
+++ b/setup.py
@@ -110,7 +110,7 @@ def export(from_dir, to_dir,
                 continue
             if filename[-1] == '~':
                 continue
-            src = '%s/%s' % (directory, filename)
+            src = join(directory, filename)
             dest = to_dir + src[len(from_dir):]
             print >> sys.stderr, src, '->', dest
             if os.path.isdir(src):