diff --git a/makefile.am b/makefile.am
index 4eeb8b6..355ceee 100644
--- a/makefile.am
+++ b/makefile.am
@@ -4,9 +4,13 @@ EXTRA_DIST = bootstrap.sh debian
 
 DISTCLEANFILES = debian/changelog
 
-deb: dist
+ARCHS = i386 amd64
+
+deb: ${ARCHS}
+
+${ARCHS}: dist
 	tar xzvf @PACKAGE@-@VERSION@.tar.gz
-	cd @PACKAGE@-@VERSION@ && dpkg-buildpackage
+	cd @PACKAGE@-@VERSION@ && dpkg-buildpackage -a$@
 	rm -rf @PACKAGE@-@VERSION@
 
 maintainer-clean-local: