diff --git a/meta/classes/rootfs_rpm.bbclass b/meta/classes/rootfs_rpm.bbclass
index accd7d9..119bf92 100644
--- a/meta/classes/rootfs_rpm.bbclass
+++ b/meta/classes/rootfs_rpm.bbclass
@@ -108,7 +108,7 @@ fakeroot rootfs_rpm_do_rootfs () {
 	i=\$i
 	cat > ${IMAGE_ROOTFS}${sysconfdir}/rcS.d/S${POSTINSTALL_INITPOSITION}run-postinsts << EOF
 #!/bin/sh
-for i in `ls /etc/rpm-postinsts/`; do
+for i in \`ls /etc/rpm-postinsts/\`; do
 	i=/etc/rpm-postinsts/$i
 	echo "Running postinst $i..."
 	if [ -f $i ] && $i; then