diff --git a/Makefile b/Makefile
index 9eed3b1..a811656 100644
--- a/Makefile
+++ b/Makefile
@@ -1,20 +1,19 @@
-VERSION != dpkg-parsechangelog -Sversion | cut -d- -f1
-PACKAGE != dpkg-parsechangelog -Ssource
-PKGREL  != dpkg-parsechangelog -Sversion | cut -d- -f2
+include /usr/share/dpkg/pkg-info.mk
+
+PACKAGE=libarchive-perl
 
 # h2xs -Afn LibArchive
 # h2xs -an LibArchive /usr/include/archive.h /usr/include/archive_entry.h
 # perl Makefile.PL PREFIX=/usr
 
-
 PPSRC = LibArchive
 
 ARCH:=$(shell dpkg-architecture -qDEB_BUILD_ARCH)
 GITVERSION:=$(shell git rev-parse HEAD)
 
-BUILDSRC=${PACKAGE}-${VERSION}
-DEB=${PACKAGE}_${VERSION}-${PKGREL}_${ARCH}.deb
-DSC=${PACKAGE}_${VERSION}-${PKGREL}.dsc
+BUILDSRC=${PACKAGE}-${DEB_VERSION_UPSTREAM}
+DEB=${PACKAGE}_${DEB_VERSION_UPSTREAM_REVISION}_${ARCH}.deb
+DSC=${PACKAGE}_${DEB_VERSION_UPSTREAM_REVISION}.dsc
 
 all: ${DEB}