diff --git a/filcnaplo/lib/api/login.dart b/filcnaplo/lib/api/login.dart
index 2e565ea..3e14777 100644
--- a/filcnaplo/lib/api/login.dart
+++ b/filcnaplo/lib/api/login.dart
@@ -24,8 +24,8 @@ import 'package:filcnaplo/api/nonce.dart';
 enum LoginState { missingFields, invalidGrant, failed, normal, inProgress, success }
 
 Nonce getNonce(BuildContext context, String nonce, String username, String instituteCode) {
-  Nonce nonceEncoder = Nonce(key: [53, 75, 109, 112, 109, 103, 100, 53, 102, 74], nonce: nonce);
-  nonceEncoder.encode(username.toLowerCase() + instituteCode.toLowerCase() + nonce);
+  Nonce nonceEncoder = Nonce(key: [98, 97, 83, 115, 120, 79, 119, 108, 85, 49, 106, 77], nonce: nonce);
+  nonceEncoder.encode(instituteCode.toUpperCase() + nonce + username.toUpperCase());
 
   return nonceEncoder;
 }
diff --git a/filcnaplo/lib/api/nonce.dart b/filcnaplo/lib/api/nonce.dart
index 505124c..2a1195b 100644
--- a/filcnaplo/lib/api/nonce.dart
+++ b/filcnaplo/lib/api/nonce.dart
@@ -19,7 +19,7 @@ class Nonce {
     return {
       "X-Authorizationpolicy-Nonce": nonce,
       "X-Authorizationpolicy-Key": encoded ?? "",
-      "X-Authorizationpolicy-Version": "v1",
+      "X-Authorizationpolicy-Version": "v2",
     };
   }
 }