diff --git a/ack-sync b/ack-sync
index 1650a66..822a1de 100755
--- a/ack-sync
+++ b/ack-sync
@@ -71,7 +71,7 @@ def get_source(package, version, section, dist, uploader_name, uploader_email,
 	if uploader_name is not None:
 		cmd += ["-n", uploader_name]
 	if not upload:
-		cmd += ['-u',]
+		cmd += ['--dont-sign',]
 	if upload and key is not None:
 		cmd += ["-k", key]
 	subprocess.check_call(cmd)
@@ -244,6 +244,9 @@ def main(bug_numbers, all_package, all_version, all_section, update,
 		                      uploader_name, uploader_email, bug_number, key,
 		                      upload)
 
+		if dsc_file.endswith('fakesync1.dsc'):
+			upload = True
+
 		# extract source
 		subprocess.check_call(["dpkg-source", "-x", dsc_file])
 
diff --git a/debian/changelog b/debian/changelog
index 472dfbc..e9061eb 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -20,12 +20,12 @@ ubuntu-dev-tools (0.105) UNRELEASED; urgency=low
      - Add a warning that the use of syncpackage is discouraged.
      - Correct and neaten options.
   * syncpackage:
-     - Add -u parameter, to disable signing.
+     - Add --dont-sign parameter, for test builds.
 
   [ Christopher James Halse Rogers ]
   * mk-sbuild: Add support for btrfs-snapshot based chroots
 
- -- Stefano Rivera <stefanor@ubuntu.com>  Tue, 26 Oct 2010 12:31:55 +0200
+ -- Stefano Rivera <stefanor@ubuntu.com>  Wed, 27 Oct 2010 23:20:06 +0200
 
 ubuntu-dev-tools (0.104) experimental; urgency=low
 
diff --git a/doc/syncpackage.1 b/doc/syncpackage.1
index dba4e81..7677860 100644
--- a/doc/syncpackage.1
+++ b/doc/syncpackage.1
@@ -50,7 +50,7 @@ DEBFULLNAME and DEBEMAIL.
 \fB\-k\fI KEYID\fR, \fB\-\-key\fR=\fIKEYID\fR
 Specify the key ID to be used for signing.
 .TP
-\fB\-u\fR, \fB\-\-unsigned\fR
+\fB\-\-dont-sign\fR
 Do not sign the upload.
 .TP
 \fB\-b\fI BUG\fR, \fB\-\-bug\fR=\fIBUG\fR
diff --git a/syncpackage b/syncpackage
index 4ab85d3..00d01ee 100755
--- a/syncpackage
+++ b/syncpackage
@@ -347,13 +347,15 @@ def sync_dsc(script_name, dscurl, debian_dist, release, name, email, bugs, keyid
 		
 		# Build source package
 		cmd = ["debuild", "--no-lintian", "-S", "-v" + cur_ver.full_version]
+		env = os.environ
+		env['DEB_VENDOR'] = 'Ubuntu'
 		if need_orig:
 			cmd += ['-sa']
-		if not keyid is None:
+		if keyid:
 			cmd += ["-k" + keyid]
 		if verbose:
 			print_command(script_name, cmd)
-		subprocess.check_call(cmd)
+		subprocess.check_call(cmd, env=env)
 
 def get_debian_dscurl(package, dist, release, version=None, component=None):
 	if dist is None:
@@ -414,7 +416,7 @@ if __name__ == "__main__":
 			default = os.environ["DEBEMAIL"])
 	parser.add_option("-k", "--key", dest="keyid",
 			help="Specify the key ID to be used for signing.", default=None)
-	parser.add_option('-u', '--unsigned', dest='keyid', action='store_false',
+	parser.add_option('--dont-sign', dest='keyid', action='store_false',
 			help='Do not sign the upload')
 	parser.add_option("-b", "--bug", metavar="BUG",
 			help="Mark a Launchpad bug as being fixed by this upload",