diff --git a/archinstall/archinstall-dev.sh b/archinstall/archinstall-dev.sh
index dba4447..b14bcb8 100755
--- a/archinstall/archinstall-dev.sh
+++ b/archinstall/archinstall-dev.sh
@@ -333,6 +333,7 @@ function installconf {
 		execl reflector --verbose -l 6 --sort rate --save /etc/pacman.d/mirrorlist
 		tput setaf 2 ; echo "$(T "Downloading")" ; tput setaf 9
 		# Reflector and rsync is for updating mirrorlist #
+		execl pacman -Sy archlinux-keyring #Keyring for avoid fail sig of some packages
 		execl pacstrap -C pacman.conf /mnt/ base btrfs-progs jkarch-mirrorlist reflector rsync
 		pacmanerror
 		mv pacman.conf /mnt/etc/pacman.conf
diff --git a/archinstall/archinstall.sh b/archinstall/archinstall.sh
index e7eb6c5..ffbf8d6 100755
--- a/archinstall/archinstall.sh
+++ b/archinstall/archinstall.sh
@@ -329,6 +329,7 @@ if [[ $isoffline = "0" ]];then
 	tput setaf 2 ; echo "$(T "Optimizing download")" ; tput setaf 9
 	execl reflector --verbose -l 6 --sort rate --save /etc/pacman.d/mirrorlist
 	tput setaf 2 ; echo "$(T "Downloading")" ; tput setaf 9
+	execl pacman -Sy archlinux-keyring #Keyring update before download
 	execl pacstrap -C pacman.conf /mnt/ base btrfs-progs jkarch-mirrorlist
 	pacmanerror
 	mv pacman.conf /mnt/etc/pacman.conf