diff --git a/Lib/tempfile.py b/Lib/tempfile.py
index dd7e864..83dfa17 100644
--- a/Lib/tempfile.py
+++ b/Lib/tempfile.py
@@ -327,6 +327,10 @@
         try:
             _os.mkdir(file, 0700)
             return file
+        except WindowsError, e:
+            if e.errno == 183: # ERROR_ALREADY_EXISTS
+                continue # try again
+            raise
         except OSError, e:
             if e.errno == _errno.EEXIST:
                 continue # try again