diff --git a/Alien/Package/Rpm.pm b/Alien/Package/Rpm.pm
index 52e5832..e432aa0 100644
--- a/Alien/Package/Rpm.pm
+++ b/Alien/Package/Rpm.pm
@@ -419,7 +419,9 @@ sub build {
 	}
 
 	$opts.=" $ENV{RPMBUILDOPT}" if exists $ENV{RPMBUILDOPT};
-	my $command="cd $dir; $buildcmd -bb $opts ".$this->name."-".$this->version."-".$this->release.".spec";
+	my $pwd=`pwd`;
+	chomp $pwd;
+	my $command="cd $dir; $buildcmd --buildroot=$pwd/$dir -bb $opts ".$this->name."-".$this->version."-".$this->release.".spec";
 	my $log=$this->runpipe(1, "$command 2>&1");
 	if ($?) {
 		die "Package build failed. Here's the log of the command ($command):\n", $log;
diff --git a/debian/changelog b/debian/changelog
index b23fb57..8844806 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,10 @@
+alien (8.78) UNRELEASED; urgency=low
+
+  * Add support for rpm 4.7.0, which ignores the buildroot setting in the
+    spec file, by passing --buildroot. (Thanks, Pavel Roskin)
+
+ -- Joey Hess <joeyh@debian.org>  Wed, 08 Jul 2009 13:50:12 -0400
+
 alien (8.77) unstable; urgency=low
 
   * Don't allow whitespace in package version when parsing debian/changelog.