diff --git a/README.md b/README.md
index cda3529..fedbd20 100644
--- a/README.md
+++ b/README.md
@@ -151,6 +151,7 @@ Be sure to set the correct value to **WIN_GRUB** variable which must be the numb
 
 * The script will also modify the grub configuration :
   * Set Grub in "saved" mode.
+  * Ensure to set the previous default entry with `grub-set-default`.
 * Then for the reboot :
   * Choose the grub entry for the next reboot.
 	* Reboot the system with ``systemctl``.
diff --git a/winboot b/winboot
index f60b2dc..f921a58 100755
--- a/winboot
+++ b/winboot
@@ -11,6 +11,8 @@ then
 else
 	printf '%b' "GRUB_DEFAULT is not set in 'saved' mode\n"
 	sudo sed -i 's/\(^GRUB_DEFAULT.*\)/#\1\nGRUB_DEFAULT=saved/' "${GRUB_DEFAULT_PATH}"
+	GRUB_DEFAULT_ENTRY=$(grep -E -- "#GRUB_DEFAULT=" "${GRUB_DEFAULT_PATH}" | cut -d"=" -f2)
+	sudo grub-set-default "${GRUB_DEFAULT_ENTRY}"
 	sudo update-grub
 	printf '%b' "Please launch this script once again.\n"
 fi