diff -u motion-3.2.11/debian/control motion-3.2.11/debian/control
--- motion-3.2.11/debian/control
+++ motion-3.2.11/debian/control
@@ -1,7 +1,8 @@
 Source: motion
 Section: graphics
 Priority: optional
-Maintainer: Juan Angulo Moreno <juan@apuntale.com>
+Maintainer: Ubuntu Developers <ubuntu-devel-discuss@lists.ubuntu.com>
+XSBC-Original-Maintainer: Juan Angulo Moreno <juan@apuntale.com>
 HomePage: http://motion.sf.net
 Build-Depends: debhelper (>= 6), autotools-dev, libjpeg62-dev, zlib1g-dev, libavcodec-dev, libavformat-dev, libpq-dev, libmysqlclient15-dev, dpatch
 Standards-Version: 3.8.2
diff -u motion-3.2.11/debian/motion.postinst motion-3.2.11/debian/motion.postinst
--- motion-3.2.11/debian/motion.postinst
+++ motion-3.2.11/debian/motion.postinst
@@ -9,7 +9,7 @@
 
 add_group_if_missing() {
     if [ -x /usr/sbin/addgroup ]; then
-        if ! id -g motion >/dev/null 2>&1; then
+        if ! getent group motion >/dev/null; then
                 addgroup --force-badname motion || true
         fi
     fi
diff -u motion-3.2.11/debian/changelog motion-3.2.11/debian/changelog
--- motion-3.2.11/debian/changelog
+++ motion-3.2.11/debian/changelog
@@ -1,3 +1,10 @@
+motion (3.2.11-2ubuntu0.1) karmic-proposed; urgency=low
+
+  * Fixed debian/motion.postinst : Really test if group "motion" exits
+    (LP: #394755)
+
+ -- Jean-Baptiste Lallement <jeanbaptiste.lallement@gmail.com>  Sat, 21 Nov 2009 22:32:34 +0100
+
 motion (3.2.11-2build1) karmic; urgency=low
 
   * No-change rebuild to pick up new ffmpeg shlibs file.