diff --git a/backend/login.php b/backend/login.php
index 6ea584f..92f1679 100644
--- a/backend/login.php
+++ b/backend/login.php
@@ -45,7 +45,7 @@ try {
     $fpJustSaved = false;
     if ($row) {
         $fpPepper = getenv('FP_PEPPER') ?: '';
-        $storedFp = $row['fingerprint'];
+        $storedFp = $row['fingerPrint'] ?? $row['fingerprint'] ?? '';
         
         // دعم الطريقة الجديدة (hash) والقديمة (مباشر)
         if ($fpPepper) {
@@ -95,4 +95,7 @@ try {
 } catch (Exception $e) {
     securityLog("Login Error", ['msg' => $e->getMessage()]);
     jsonError('Server error', 500);
+} catch (\Throwable $e) {
+    securityLog("Login Fatal Error", ['msg' => $e->getMessage()]);
+    jsonError('Server error', 500);
 }
\ No newline at end of file