--- zipfile-orig.py	2013-11-25 11:36:59.683423000 +0400
+++ zipfile.py	2014-03-13 20:03:13.743968800 +0400
@@ -1344,6 +1344,7 @@
             zinfo.file_size = 0
             zinfo.compress_size = 0
             zinfo.CRC = 0
+            zinfo.external_attr |= 0x10 # MS-DOS directory flag
             self.filelist.append(zinfo)
             self.NameToInfo[zinfo.filename] = zinfo
             self.fp.write(zinfo.FileHeader(False))