diff --git a/install/common.sh b/install/common.sh
index 9e20d57..9dc1579 100755
--- a/install/common.sh
+++ b/install/common.sh
@@ -30,7 +30,7 @@ sudo apt install -y \
 
 
 # SSH
-sed -i 's/#Port 22/Port 222/'
+sudo sed -i 's/#Port 22/Port 222/' /etc/ssh/sshd_config
 sudo systemctl restart sshd
 
 ssh-keygen -t ed25519