diff --git a/xCATsn/mkrpm b/xCATsn/mkrpm
index 49e111aa3..98ac062b2 100755
--- a/xCATsn/mkrpm
+++ b/xCATsn/mkrpm
@@ -33,6 +33,10 @@ else
 	tar --exclude .svn -czf /usr/src/$pkg/SOURCES/license.tar.gz LICENSE.html
 	cp xcat.conf /usr/src/$pkg/SOURCES
 	rm -f /usr/src/$pkg/SRPMS/xCATsn-$VER*rpm /usr/src/$pkg/RPMS/*/xCATsn-$VER*rpm
-	rpmbuild -ba xCATsn.spec
+   if [ ! -z "$1" ]; then
+	rpmbuild -ba xCAT.spec --target $1
+   else
+	rpmbuild -ba xCAT.spec
+   fi
 	cd -
 fi