diff --git a/ubuntu_mates.sh b/ubuntu_mates.sh
index 69de628..830acc4 100644
--- a/ubuntu_mates.sh
+++ b/ubuntu_mates.sh
@@ -2,6 +2,7 @@
 
 # Faster Ubuntu APT repository server for Korean
 sudo sed -i 's/kr.archive.ubuntu.com/mirror.kakao.com/g' /etc/apt/sources.list
+sudo sed -i 's/archive.ubuntu.com/mirror.kakao.com/g' /etc/apt/sources.list
 
 # essential packages
 sudo apt install -y nnn zsh ncdu htop rsync git