diff --git a/Build Linux b/Build Linux
index af01c928..ec136c6e 100755
--- a/Build Linux	
+++ b/Build Linux	
@@ -229,7 +229,7 @@ function update_live_env() {
     ssh-keygen -b 4096 -C "$username@$hostname" -N "" -f "$SKEL_DIR/.ssh/id_rsa"
     echo 'rm /root/.ssh/id*' >> "$LIVE_DIR/airootfs/root/customize_airootfs.sh"
     echo 'rm /root/.zlogin' >> "$LIVE_DIR/airootfs/root/customize_airootfs.sh"
-    sed -r '/.*PermitRootLogin.*/d' "$LIVE_DIR/airootfs/root/customize_airootfs.sh"
+    sed -i -r 's/^(.*PermitRootLogin.*)$/PermitRootLogin no/' "$LIVE_DIR/airootfs/root/customize_airootfs.sh"
     cp "$ROOT_DIR/.linux_items/authorized_keys" "$SKEL_DIR/.ssh/authorized_keys"
     
     # Root user