diff --git a/util/grub.d/10_linux.in b/util/grub.d/10_linux.in
index 146499f22..61ebd7dc7 100644
--- a/util/grub.d/10_linux.in
+++ b/util/grub.d/10_linux.in
@@ -49,7 +49,7 @@ GRUB_DISABLE_LINUX_PARTUUID=${GRUB_DISABLE_LINUX_PARTUUID-true}
 
 # btrfs may reside on multiple devices. We cannot pass them as value of root= parameter
 # and mounting btrfs requires user space scanning, so force UUID in this case.
-if ( [ "x${GRUB_DEVICE_UUID}" = "x" ] && [ "x${GRUB_DEVICE_PARTUUID}" = "x" ) \
+if ( [ "x${GRUB_DEVICE_UUID}" = "x" ] && [ "x${GRUB_DEVICE_PARTUUID}" = "x" ] ) \
     || ( [ "x${GRUB_DISABLE_LINUX_UUID}" = "xtrue" ] \
 	&& [ "x${GRUB_DISABLE_LINUX_PARTUUID}" = "xtrue" ] ) \
     || ( ! test -e "/dev/disk/by-uuid/${GRUB_DEVICE_UUID}" \