diff --git a/ChangeLog b/ChangeLog
index c0fa500827..770e3bd9ed 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Thu Jul 17 13:42:53 2003  WATANABE Hirofumi  <eban@ruby-lang.org>
+
+	* lib/ftools.rb (File::makedirs): do not handle "//" as a directory.
+
 Wed Jul  9 23:52:13 2003  Nobuyoshi Nakada  <nobu.nokada@softhome.net>
 
 	* regex.c (mbctab_sjis): 0x80 is not shift jis first byte.
diff --git a/lib/ftools.rb b/lib/ftools.rb
index 6e1c886e56..c99250162f 100644
--- a/lib/ftools.rb
+++ b/lib/ftools.rb
@@ -131,8 +131,8 @@ class << File
 #    mode = if dirs[-1].is_a? Fixnum then dirs.pop else 0755 end
     mode = 0755
     for dir in dirs
-      next if FileTest.directory? dir
       parent = dirname(dir)
+      next if parent == dir or FileTest.directory? dir
       makedirs parent unless FileTest.directory? parent
       $stderr.print "mkdir ", dir, "\n" if verbose
       if basename(dir) != ""