diff --git a/buildcore.sh b/buildcore.sh
index e337d4e60..f6fee37ae 100755
--- a/buildcore.sh
+++ b/buildcore.sh
@@ -350,8 +350,8 @@ if [ "$OSNAME" != "AIX" ]; then
 	echo "Signing RPMs..."
 	build-utils/rpmsign.exp `find $DESTDIR -type f -name '*.rpm'` | grep -v -E '(was already signed|rpm --quiet --resign|WARNING: standard input reopened)'
 	build-utils/rpmsign.exp $SRCDIR/*rpm | grep -v -E '(was already signed|rpm --quiet --resign|WARNING: standard input reopened)'
-	createrepo $DESTDIR
-	createrepo $SRCDIR
+	createrepo --checksum sha $DESTDIR			# specifying checksum so the repo will work on rhel5
+	createrepo --checksum sha $SRCDIR
 	rm -f $SRCDIR/repodata/repomd.xml.asc
 	rm -f $DESTDIR/repodata/repomd.xml.asc
 	gpg -a --detach-sign $DESTDIR/repodata/repomd.xml
diff --git a/builddep.sh b/builddep.sh
index 46e6dfab5..c649aceb3 100755
--- a/builddep.sh
+++ b/builddep.sh
@@ -103,9 +103,9 @@ if [ "$OSNAME" != "AIX" ]; then
 	echo "Creating repodata directories..."
 	for i in `find -mindepth 2 -maxdepth 2 -type d `; do
 		if [ -n "$VERBOSEMODE" ]; then
-			createrepo $i
+			createrepo --checksum sha $i            # specifying checksum so the repo will work on rhel5
 		else
-			createrepo $i >/dev/null
+			createrepo --checksum sha $i >/dev/null
 		fi
 		rm -f $i/repodata/repomd.xml.asc
 		gpg -a --detach-sign $i/repodata/repomd.xml