diff --git a/05/auth.php b/05/auth.php
index c58cb0a..2cb27a4 100644
--- a/05/auth.php
+++ b/05/auth.php
@@ -13,6 +13,9 @@ if ($aksi === 'login') {
     $password = $_POST['password'] ?? '';
     if (!$email || !$password) json_out(['error'=>'Email dan password wajib diisi'],400);
     $stmt = $conn->prepare("SELECT u.*,r.nama AS role_nama FROM user u JOIN role r ON u.role_id=r.id WHERE u.email=? AND u.aktif=1 LIMIT 1");
+    if (!$stmt) {
+        json_out(['error' => 'Database error: ' . $conn->error], 500);
+    }
     $stmt->bind_param('s',$email);
     $stmt->execute();
     $user = $stmt->get_result()->fetch_assoc();