diff -Nru iptables-persistent-0.5.3/debian/changelog iptables-persistent-0.5.3ubuntu1/debian/changelog
--- iptables-persistent-0.5.3/debian/changelog	2011-11-29 00:14:42.000000000 +0000
+++ iptables-persistent-0.5.3ubuntu1/debian/changelog	2012-02-13 16:13:29.000000000 +0000
@@ -1,3 +1,10 @@
+iptables-persistent (0.5.3ubuntu1) precise; urgency=low
+
+  * Pre-Depend on a sufficient version of dpkg rather than using
+    'dpkg-maintscript-helper supports' guards.
+
+ -- Colin Watson <cjwatson@ubuntu.com>  Mon, 13 Feb 2012 16:13:28 +0000
+
 iptables-persistent (0.5.3) unstable; urgency=low
 
   * [09d9ae] Check for loaded modules in postinst (Closes: #637852)
diff -Nru iptables-persistent-0.5.3/debian/control iptables-persistent-0.5.3ubuntu1/debian/control
--- iptables-persistent-0.5.3/debian/control	2011-11-29 00:14:42.000000000 +0000
+++ iptables-persistent-0.5.3ubuntu1/debian/control	2012-02-13 16:13:34.000000000 +0000
@@ -1,7 +1,8 @@
 Source: iptables-persistent
 Section: admin
 Priority: optional
-Maintainer: Jonathan Wiltshire <jmw@debian.org>
+Maintainer: Ubuntu Developers <ubuntu-devel-discuss@lists.ubuntu.com>
+XSBC-Original-Maintainer: Jonathan Wiltshire <jmw@debian.org>
 Build-Depends: debhelper (>= 7.0.50~), po-debconf
 Standards-Version: 3.9.2
 Vcs-Browser: http://robin.powdarrmonkey.net/cgi-bin/gitweb.cgi?p=iptables-persistent
@@ -9,6 +10,7 @@
 
 Package: iptables-persistent
 Architecture: all
+Pre-Depends: dpkg (>= 1.15.7.2~)
 Depends: iptables, lsb-base, ${misc:Depends}
 Description: boot-time loader for iptables rules
  This package provides a system startup script that restores iptables
diff -Nru iptables-persistent-0.5.3/debian/iptables-persistent.postinst iptables-persistent-0.5.3ubuntu1/debian/iptables-persistent.postinst
--- iptables-persistent-0.5.3/debian/iptables-persistent.postinst	2011-11-29 00:14:42.000000000 +0000
+++ iptables-persistent-0.5.3ubuntu1/debian/iptables-persistent.postinst	2012-02-13 16:12:47.000000000 +0000
@@ -5,10 +5,8 @@
 # Source debconf library
 . /usr/share/debconf/confmodule
 
-if dpkg-maintscript-helper supports mv_conffile 2>/dev/null; then
-    dpkg-maintscript-helper mv_conffile \
-        /etc/iptables/rules /etc/iptables/rules.v4 0.0.20101230 -- "$@"
-fi
+dpkg-maintscript-helper mv_conffile \
+    /etc/iptables/rules /etc/iptables/rules.v4 0.0.20101230 -- "$@"
 
 case "$1" in
 configure)
diff -Nru iptables-persistent-0.5.3/debian/iptables-persistent.postrm iptables-persistent-0.5.3ubuntu1/debian/iptables-persistent.postrm
--- iptables-persistent-0.5.3/debian/iptables-persistent.postrm	2011-11-29 00:14:42.000000000 +0000
+++ iptables-persistent-0.5.3ubuntu1/debian/iptables-persistent.postrm	2012-02-13 16:12:52.000000000 +0000
@@ -2,10 +2,8 @@
 
 set -e
 
-if dpkg-maintscript-helper supports mv_conffile 2>/dev/null; then
-    dpkg-maintscript-helper mv_conffile \
-         /etc/iptables/rules /etc/iptables/rules.v4 0.0.20101230 -- "$@"
-fi
+dpkg-maintscript-helper mv_conffile \
+     /etc/iptables/rules /etc/iptables/rules.v4 0.0.20101230 -- "$@"
 
 case "$1" in
 purge)
diff -Nru iptables-persistent-0.5.3/debian/iptables-persistent.preinst iptables-persistent-0.5.3ubuntu1/debian/iptables-persistent.preinst
--- iptables-persistent-0.5.3/debian/iptables-persistent.preinst	2011-11-29 00:14:42.000000000 +0000
+++ iptables-persistent-0.5.3ubuntu1/debian/iptables-persistent.preinst	2012-02-13 16:12:42.000000000 +0000
@@ -2,9 +2,7 @@
 
 set -e
 
-if dpkg-maintscript-helper supports mv_conffile 2>/dev/null; then
-    dpkg-maintscript-helper mv_conffile \
-         /etc/iptables/rules /etc/iptables/rules.v4 0.0.20101230 -- "$@"
-fi
+dpkg-maintscript-helper mv_conffile \
+     /etc/iptables/rules /etc/iptables/rules.v4 0.0.20101230 -- "$@"
 
 #DEBHELPER#