diff --git a/install.sh b/install.sh
index 83ba6a4..ffc792e 100644
--- a/install.sh
+++ b/install.sh
@@ -8,8 +8,8 @@ git clone https://aur.archlinux.org/pikaur.git
 cd /home/$USER/pikaur/
 makepkg -fsri
 #enable multilib
-sed -i 's/#\[multilib\]/\[multilib\]/' /etc/pacman.conf
-sed -i 's/#Include = \/etc\/pacman.d\/mirrorlist/Include = \/etc\/pacman.d\/mirrorlist/' /etc/pacman.conf
+sudo sed -i 's/#\[multilib\]/\[multilib\]/' /etc/pacman.conf
+sudo sed -i 's/#Include = \/etc\/pacman.d\/mirrorlist/Include = \/etc\/pacman.d\/mirrorlist/' /etc/pacman.conf
 pikaur -Syu
 #install programms
 cd /home/$USER/.dotfiles/