diff --git a/system/boot/grub2/files/update-grub b/system/boot/grub2/files/update-grub
index 59608761..02e7d32a 100644
--- a/system/boot/grub2/files/update-grub
+++ b/system/boot/grub2/files/update-grub
@@ -1,2 +1,3 @@
 #! /bin/sh
+export LC_ALL=C
 grub2-mkconfig -o /boot/grub2/grub.cfg