diff --git a/debian/changelog b/debian/changelog
index d6cc28a..03aebb3 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -7,6 +7,8 @@ lubuntu-default-settings (0.22) UNRELEASED; urgency=low
   * debian/control:
    - add depends on lightdm-gtk-greeter >= 1.0.0-0ubuntu2.
    - provides lightdm-gtk-greeter-config.
+  * debian/source/format:
+   - Switch to format 3.0 (native).
 
  -- Julien Lavergne <gilir@ubuntu.com>  Mon, 07 Nov 2011 11:13:23 +0100
 
diff --git a/debian/source/format b/debian/source/format
new file mode 100644
index 0000000..89ae9db
--- /dev/null
+++ b/debian/source/format
@@ -0,0 +1 @@
+3.0 (native)