diff --git a/ChangeLog b/ChangeLog
index b83f5d5433..42a9980ab7 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Thu Nov 19 23:22:40 2009  Shugo Maeda  <shugo@ruby-lang.org>
+
+	* lib/net/ftp.rb (putbinaryfile): use APPE for resume.
+	  Thanks, Tomoyuki Chikanaga.
+
 Thu Nov 19 22:34:49 2009  Shugo Maeda  <shugo@ruby-lang.org>
 
 	* lib/net/imap.rb (flag_list): untaint strings to intern in the safe
diff --git a/lib/net/ftp.rb b/lib/net/ftp.rb
index 369aba893c..c611e09ee3 100644
--- a/lib/net/ftp.rb
+++ b/lib/net/ftp.rb
@@ -449,7 +449,7 @@ module Net
       end
       synchronize do
 	voidcmd("TYPE I")
-	conn = transfercmd(cmd, rest_offset)
+	conn = transfercmd(cmd)
 	loop do
 	  buf = file.read(blocksize)
 	  break if buf == nil
@@ -559,7 +559,11 @@ module Net
       f = open(localfile)
       begin
 	f.binmode
-	storbinary("STOR " + remotefile, f, blocksize, rest_offset, &block)
+        if rest_offset
+          storbinary("APPE " + remotefile, f, blocksize, rest_offset, &block)
+        else
+          storbinary("STOR " + remotefile, f, blocksize, rest_offset, &block)
+        end
       ensure
 	f.close
       end