diff --git a/setup.sh b/setup.sh
index fb31a51..c2e51d5 100644
--- a/setup.sh
+++ b/setup.sh
@@ -465,7 +465,7 @@ function add_zfs_hook_to_initramfs () {
     #1.16
     # Add zfs hook, remove fsck hook from initramfs.
     sed -ri \
-        -e 's'$'\x1''(HOOKS=)(.*?[\(| ])(filesystems)([\)| ][^\r\n\f]*)'$'\x1''\1\2zfs \3\4'$'\x1''g' \
+        -e 's'$'\x1''(HOOKS=)(.*?[( ])(filesystems)([) ][^\r\n\f]*)'$'\x1''\1\2zfs \3\4'$'\x1''g' \
         -e 's'$'\x1''((\()(fsck)(\)))'$'\x1''\2\4'$'\x1''g' \
         -e 's'$'\x1''(([[:space:]]+)(fsck)|(fsck)([[:space:]]+))'$'\x1'''$'\x1''g' \
         '/mnt/etc/mkinitcpio.conf'