--- tarfile.py.orig	2007-05-16 10:40:28.000000000 +0200
+++ tarfile.py	2007-05-16 10:40:40.000000000 +0200
@@ -688,17 +688,17 @@
             tarinfo.devmajor = tarinfo.devmajor = 0
         tarinfo.prefix = buf[345:500]
 
-        # Some old tar programs represent a directory as a regular
-        # file with a trailing slash.
-        if tarinfo.isreg() and tarinfo.name.endswith("/"):
-            tarinfo.type = DIRTYPE
-
         # The prefix field is used for filenames > 100 in
         # the POSIX standard.
         # name = prefix + '/' + name
         if tarinfo.type != GNUTYPE_SPARSE:
             tarinfo.name = normpath(os.path.join(nts(tarinfo.prefix), tarinfo.name))
 
+        # Some old tar programs represent a directory as a regular
+        # file with a trailing slash.
+        if tarinfo.isreg() and tarinfo.name.endswith("/"):
+            tarinfo.type = DIRTYPE
+
         # Directory names should have a '/' at the end.
         if tarinfo.isdir():
             tarinfo.name += "/"