diff --git a/Lib/macpath.py b/Lib/macpath.py
index cd4cb85..c31bdaa 100644
--- a/Lib/macpath.py
+++ b/Lib/macpath.py
@@ -42,7 +42,7 @@
 def join(s, *p):
     path = s
     for t in p:
-        if (not s) or isabs(t):
+        if (not path) or isabs(t):
             path = t
             continue
         if t[:1] == ':':