diff --git a/migrate.php b/migrate.php
index e11e376..c291379 100644
--- a/migrate.php
+++ b/migrate.php
@@ -15,6 +15,21 @@ require_once __DIR__ . '/db.php';
 
 echo "=== Noxus Intra: JSON → MySQL migraatio ===\n\n";
 
+// Reset-tila: ?reset=1 tyhjentää taulut ensin
+if (isset($_GET['reset']) || (isset($argv[1]) && $argv[1] === '--reset')) {
+    echo "0. RESET: Poistetaan vanhat taulut...\n";
+    $db = getDb();
+    $db->query("SET FOREIGN_KEY_CHECKS = 0");
+    $tables = ['files','ticket_rules','mailboxes','changelog','archives','ticket_tags',
+        'ticket_messages','tickets','leads','customer_connections','customers',
+        'login_attempts','reset_tokens','config','user_signatures','user_companies','users','company_domains','companies'];
+    foreach ($tables as $t) {
+        $db->query("DROP TABLE IF EXISTS `$t`");
+    }
+    $db->query("SET FOREIGN_KEY_CHECKS = 1");
+    echo "   ✓ Taulut poistettu\n\n";
+}
+
 // 1. Luo taulut
 echo "1. Luodaan tietokantarakenne...\n";
 try {