diff --git a/backportpackage b/backportpackage
index 8f68ee5..b84b66d 100755
--- a/backportpackage
+++ b/backportpackage
@@ -236,7 +236,7 @@ def do_backport(workdir, pkg, suffix, release, build, builder, update, upload,
     bp_dist = get_backport_dist(upload, release)
 
     check_call(['dch',
-                '--allow-lower-version',
+                '--force-bad-version',
                 '--force-distribution',
                 '--preserve',
                 '--newversion', bp_version,
diff --git a/debian/changelog b/debian/changelog
index 4f5f94c..9818192 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,10 @@
+ubuntu-dev-tools (0.125) UNRELEASED; urgency=low
+
+  * backportpackage: Use --force-bad-version instead of --allow-lower-version
+    (which requires a parameter) for debchange.
+
+ -- Benjamin Drung <bdrung@debian.org>  Sat, 28 May 2011 19:39:20 +0200
+
 ubuntu-dev-tools (0.124) unstable; urgency=low
 
   [ Benjamin Drung ]