diff -u nvidia-graphics-drivers-173-173.14.20/debian/nvidia-173-kernel-source.postinst nvidia-graphics-drivers-173-173.14.20/debian/nvidia-173-kernel-source.postinst
--- nvidia-graphics-drivers-173-173.14.20/debian/nvidia-173-kernel-source.postinst
+++ nvidia-graphics-drivers-173-173.14.20/debian/nvidia-173-kernel-source.postinst
@@ -6,13 +6,32 @@
 
 #DEBHELPER#
 
-PKGVER=`dpkg-query -W -f='${Version}' nvidia-173-kernel-source | awk -F "-" '{print $1}'`
+NAME=nvidia
+PACKAGE_NAME=$NAME-173-kernel-source
+PKGVER=`dpkg-query -W -f='${Version}' $PACKAGE_NAME | awk -F "-" '{print $1}'`
 PKGVER=${PKGVER#*:}
 
 SOURCES=/var/lib/dkms/nvidia/
 VERSION=173.15.13
 STATUS=$(dpkg --compare-versions "$PKGVER" lt "$VERSION" && echo "True" || echo "False")
 
+ARCH=`dpkg --print-architecture`
+case $ARCH in
+        amd64)
+                ARCH="x86_64"
+                ;;
+        lpia)
+                ARCH="i686"
+                ;;
+        i386)
+                ARCH="i686"
+                ;;
+        *)
+                echo "WARNING: unsupported arch: $ARCH"
+                ARCH="$ARCH"
+                ;;
+esac
+
 case "$1" in
 	configure)
 		# act only if the version of the current package is lower than $VERSION
@@ -32,17 +51,8 @@
 			echo "Done."
 		fi
 		
-		echo "Removing all DKMS Modules"
-		dkms remove -m nvidia -v $PKGVER --all -q > /dev/null
-		echo "Done."
-		echo "Adding Module to DKMS build system"
-		echo "driver version= $PKGVER"
-		dkms add -m nvidia -v $PKGVER > /dev/null
-		echo "Doing initial module build"
-		dkms build -m nvidia -v $PKGVER > /dev/null
-		echo "Installing initial module"
-		dkms install -m nvidia -v $PKGVER > /dev/null
-		echo "Done."
+		/usr/lib/dkms/common.postinst $NAME $PKGVER /usr/share/$PACKAGE_NAME $ARCH $2
+		exit $?
 	;;
 esac
 
diff -u nvidia-graphics-drivers-173-173.14.20/debian/changelog nvidia-graphics-drivers-173-173.14.20/debian/changelog
--- nvidia-graphics-drivers-173-173.14.20/debian/changelog
+++ nvidia-graphics-drivers-173-173.14.20/debian/changelog
@@ -1,3 +1,12 @@
+nvidia-graphics-drivers-173 (173.14.20-0ubuntu6) karmic-proposed; urgency=low
+
+  * debian/nvidia-$VER-kernel-source.postinst:
+    - Use the DKMS template /usr/lib/dkms/common.postinst.
+      This - together with a fix for the template - contributes to
+      fix LP: #474917.
+
+ -- Alberto Milone <alberto.milone@canonical.com>  Thu, 12 Nov 2009 12:19:33 +0100
+
 nvidia-graphics-drivers-173 (173.14.20-0ubuntu5) karmic; urgency=low
 
   * debian.binary/patches, dkms.conf.in: