diff --git a/ingredients/core-post.cfg b/ingredients/core-post.cfg
index d60f946..5cfe709 100644
--- a/ingredients/core-post.cfg
+++ b/ingredients/core-post.cfg
@@ -1,6 +1,7 @@
 %post --log=/mnt/sysimage/root/post.log # Beginning of the post-installation section. Log all messages to a given file
 
 localectl set-keymap ch-fr # Set keymap to `ch-fr`. Alternatively, `us` can be picked.
-dnf update -y # Update the system 
+dnf update -y # Update the system
+grub2-mkconfig -o /boot/grub2/grub.cfg # Unsure it is actually useful
 
 %end # End of the %post section
\ No newline at end of file