diff --git a/after.sh b/after.sh
index fccbd95..14d0c46 100644
--- a/after.sh
+++ b/after.sh
@@ -18,7 +18,10 @@ USER_HOME="/home/$USERNAME"
 # Temporarily enable passwordless sudo
 # ─────────────────────────────────────
 
-SUDOERS_FILE="/etc/sudoers.d/99-install-script"
+SUDOERS_FILE="/etc/sudoers.d/00_$USERNAME"
+SUDOERS_BACKUP="${SUDOERS_FILE}.backup"
+
+cp "$SUDOERS_FILE" "$SUDOERS_BACKUP"
 
 printf '%s ALL=(ALL:ALL) NOPASSWD: ALL\n' "$USERNAME" > "$SUDOERS_FILE"
 chmod 440 "$SUDOERS_FILE"
@@ -26,7 +29,8 @@ chmod 440 "$SUDOERS_FILE"
 visudo -c || exit 1
 
 cleanup() {
-    rm -f "$SUDOERS_FILE"
+    mv "$SUDOERS_BACKUP" "$SUDOERS_FILE"
+    rm -f /etc/sudoers.d/99-install-script
     visudo -c
 }
 trap cleanup EXIT