diff --git a/debian/changelog b/debian/changelog
index f25c33d..5ab4bb2 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -3,8 +3,9 @@ nut (2.4.3-2) UNRELEASED; urgency=low
   * debian/control:
     - Bump Standards-Version to 3.9.1
     - Update Vcs-* fields to new GIT repository
+  * Switch to dpkg-source 3.0 (quilt) format (Closes: #573601)
 
- -- Laurent Bigonville <bigon@debian.org>  Tue, 21 Dec 2010 14:31:24 +0100
+ -- Laurent Bigonville <bigon@debian.org>  Tue, 21 Dec 2010 14:42:34 +0100
 
 nut (2.4.3-1.1) unstable; urgency=low
 
diff --git a/debian/source/format b/debian/source/format
new file mode 100644
index 0000000..163aaf8
--- /dev/null
+++ b/debian/source/format
@@ -0,0 +1 @@
+3.0 (quilt)