diff --git a/paramiko/sftp_client.py b/paramiko/sftp_client.py
index 1f11075..a7e9058 100644
--- a/paramiko/sftp_client.py
+++ b/paramiko/sftp_client.py
@@ -533,7 +533,7 @@ class SFTPClient (BaseSFTP):
         """
         return self._cwd
 
-    def put(self, localpath, remotepath, callback=None):
+    def put(self, localpath, remotepath, callback=None, confirm = True):
         """
         Copy a local file (C{localpath}) to the SFTP server as C{remotepath}.
         Any exception raised by operations will be passed through.  This
@@ -574,9 +574,12 @@ class SFTPClient (BaseSFTP):
                 fr.close()
         finally:
             fl.close()
-        s = self.stat(remotepath)
-        if s.st_size != size:
-            raise IOError('size mismatch in put!  %d != %d' % (s.st_size, size))
+        if confirm:
+            s = self.stat(remotepath)
+            if s.st_size != size:
+                raise IOError('size mismatch in put!  %d != %d' % (s.st_size, size))
+        else:
+            s = SFTPAttributes()
         return s
 
     def get(self, remotepath, localpath, callback=None):
diff --git a/tests/test_sftp.py b/tests/test_sftp.py
index f9d7270..f191314 100755
--- a/tests/test_sftp.py
+++ b/tests/test_sftp.py
@@ -36,6 +36,7 @@ import unittest
 import paramiko
 from stub_sftp import StubServer, StubSFTPServer
 from loop import LoopSocket
+from paramiko.sftp_attr import SFTPAttributes
 
 ARTICLE = '''
 Insulin sensitivity and liver insulin receptor structure in ducks from two
@@ -666,6 +667,33 @@ class SFTPTest (unittest.TestCase):
             f.close()
         finally:
             sftp.unlink(FOLDER + '/zero')
+    def test_N_put_without_confirm(self):
+        """
+        verify that get/put work.
+        """
+        import os, warnings
+        warnings.filterwarnings('ignore', 'tempnam.*')
+
+        localname = os.tempnam()
+        text = 'All I wanted was a plastic bunny rabbit.\n'
+        f = open(localname, 'wb')
+        f.write(text)
+        f.close()
+        saved_progress = []
+        def progress_callback(x, y):
+            saved_progress.append((x, y))
+        res = sftp.put(localname, FOLDER + '/bunny.txt', progress_callback, false)
+        
+        self.assertEquals(SFTPAttributes(), res)
+        
+
+        f = sftp.open(FOLDER + '/bunny.txt', 'r')
+        self.assertEquals(text, f.read(128))
+        f.close()
+        self.assertEquals((41, 41), saved_progress[-1])
+
+        os.unlink(localname)
+        sftp.unlink(FOLDER + '/bunny.txt')
 
     def XXX_test_M_seek_append(self):
         """