diff --git a/app/Helpers/Bank/Nordigen/Nordigen.php b/app/Helpers/Bank/Nordigen/Nordigen.php
index 68ca093a4e26..153303b37b1c 100644
--- a/app/Helpers/Bank/Nordigen/Nordigen.php
+++ b/app/Helpers/Bank/Nordigen/Nordigen.php
@@ -15,13 +15,13 @@ namespace App\Helpers\Bank\Nordigen;
 
 use App\Exceptions\NordigenApiException;
 use App\Helpers\Bank\Nordigen\Transformer\AccountTransformer;
-use App\Helpers\Bank\Nordigen\Transformer\IncomeTransformer;
+use App\Helpers\Bank\Nordigen\Transformer\TransactionTransformer;
 use Log;
 use Nordigen\NordigenPHP\Exceptions\NordigenExceptions\NordigenException;
 
 class Nordigen
 {
-    public bool $test_mode = config('ninja.nordigen.test_mode'); // https://developer.gocardless.com/bank-account-data/sandbox
+    public bool $test_mode; // https://developer.gocardless.com/bank-account-data/sandbox
 
     public string $sandbox_institutionId = "SANDBOXFINANCE_SFIN0000";
 
@@ -30,6 +30,8 @@ class Nordigen
     public function __construct(string $secret_id, string $secret_key)
     {
 
+        $this->test_mode = config('ninja.nordigen.test_mode');
+
         $this->client = new \Nordigen\NordigenPHP\API\NordigenClient($secret_id, $secret_key);
 
         $this->client->createAccessToken(); // access_token is valid 24h -> so we dont have to implement a refresh-cycle
@@ -101,7 +103,7 @@ class Nordigen
 
         $transactionResponse = $this->client->account($accountId)->getAccountTransactions($dateFrom);
 
-        $it = new IncomeTransformer();
+        $it = new TransactionTransformer();
         return $it->transform($transactionResponse);
 
     }
diff --git a/app/Helpers/Bank/Nordigen/Transformer/ExpenseTransformer.php b/app/Helpers/Bank/Nordigen/Transformer/ExpenseTransformer.php
deleted file mode 100644
index ade514d8fdea..000000000000
--- a/app/Helpers/Bank/Nordigen/Transformer/ExpenseTransformer.php
+++ /dev/null
@@ -1,80 +0,0 @@
-<?php
-/**
- * Invoice Ninja (https://invoiceninja.com).
- *
- * @link https://github.com/invoiceninja/invoiceninja source repository
- *
- * @copyright Copyright (c) 2023. Invoice Ninja LLC (https://invoiceninja.com)
- *
- * @license https://www.elastic.co/licensing/elastic-license
- */
-
-namespace App\Helpers\Bank\Nordigen\Transformer;
-
-/**
-"date": "string",
-"sourceId": "string",
-"symbol": "string",
-"cusipNumber": "string",
-"highLevelCategoryId": 0,
-"detailCategoryId": 0,
-"description": {},
-"memo": "string",
-"settleDate": "string",
-"type": "string",
-"intermediary": [],
-"baseType": "CREDIT",
-"categorySource": "SYSTEM",
-"principal": {},
-"lastUpdated": "string",
-"interest": {},
-"price": {},
-"commission": {},
-"id": 0,
-"merchantType": "string",
-"amount": {
-"amount": 0,
-"convertedAmount": 0,
-"currency": "USD",
-"convertedCurrency": "USD"
-},
-"checkNumber": "string",
-"isPhysical": true,
-"quantity": 0,
-"valoren": "string",
-"isManual": true,
-"merchant": {
-"website": "string",
-"address": {},
-"contact": {},
-"categoryLabel": [],
-"coordinates": {},
-"name": "string",
-"id": "string",
-"source": "YODLEE",
-"logoURL": "string"
-},
-"sedol": "string",
-"transactionDate": "string",
-"categoryType": "TRANSFER",
-"accountId": 0,
-"createdDate": "string",
-"sourceType": "AGGREGATED",
-"CONTAINER": "bank",
-"postDate": "string",
-"parentCategoryId": 0,
-"subType": "OVERDRAFT_CHARGE",
-"category": "string",
-"runningBalance": {},
-"categoryId": 0,
-"holdingDescription": "string",
-"isin": "string",
-"status": "POSTED"
- */
-
-class ExpenseTransformer
-{
-
-}
-
-
diff --git a/app/Helpers/Bank/Nordigen/Transformer/IncomeTransformer.php b/app/Helpers/Bank/Nordigen/Transformer/TransactionTransformer.php
similarity index 98%
rename from app/Helpers/Bank/Nordigen/Transformer/IncomeTransformer.php
rename to app/Helpers/Bank/Nordigen/Transformer/TransactionTransformer.php
index 5105ce33c3a4..7342f8c6397c 100644
--- a/app/Helpers/Bank/Nordigen/Transformer/IncomeTransformer.php
+++ b/app/Helpers/Bank/Nordigen/Transformer/TransactionTransformer.php
@@ -62,7 +62,7 @@ use Log;
 }
 */
 
-class IncomeTransformer implements BankRevenueInterface
+class TransactionTransformer implements BankRevenueInterface
 {
     use AppSetup;
 
diff --git a/app/Http/Controllers/Bank/NordigenController.php b/app/Http/Controllers/Bank/NordigenController.php
index d2caa70f625e..5c6db66e8a90 100644
--- a/app/Http/Controllers/Bank/NordigenController.php
+++ b/app/Http/Controllers/Bank/NordigenController.php
@@ -192,7 +192,7 @@ class NordigenController extends BaseController
                 $bank_integration->bank_account_name = $nordigen_account['account_name'];
                 $bank_integration->bank_account_status = $nordigen_account['account_status'];
                 $bank_integration->bank_account_number = $nordigen_account['account_number'];
-                $bank_integration->nordigen_provider_id = $nordigen_account['provider_id'];
+                $bank_integration->nordigen_institution_id = $nordigen_account['provider_id'];
                 $bank_integration->provider_name = $nordigen_account['provider_name'];
                 $bank_integration->nickname = $nordigen_account['nickname'];
                 $bank_integration->balance = $nordigen_account['current_balance'];
diff --git a/app/Models/BankIntegration.php b/app/Models/BankIntegration.php
index 446b8b25f2c0..5be2f2313b1d 100644
--- a/app/Models/BankIntegration.php
+++ b/app/Models/BankIntegration.php
@@ -32,7 +32,7 @@ use Illuminate\Database\Eloquent\SoftDeletes;
  * @property int|null $currency
  * @property string $nickname
  * @property string $nordigen_account_id
- * @property string $nordigen_provider_id
+ * @property string $nordigen_institution_id
  * @property string|null $from_date
  * @property bool $is_deleted
  * @property int|null $created_at
diff --git a/database/migrations/2023_11_26_082959_add_bank_integration_id.php b/database/migrations/2023_11_26_082959_add_bank_integration_id.php
index 98ab0e7c815b..da6f778877da 100644
--- a/database/migrations/2023_11_26_082959_add_bank_integration_id.php
+++ b/database/migrations/2023_11_26_082959_add_bank_integration_id.php
@@ -17,7 +17,7 @@ return new class extends Migration {
         Schema::table('bank_integrations', function (Blueprint $table) {
             $table->string('integration_type')->nullable();
             $table->string('nordigen_account_id')->nullable();
-            $table->string('nordigen_provider_id')->nullable();
+            $table->string('nordigen_institution_id')->nullable();
         });
 
         // migrate old account to be used with yodlee
diff --git a/resources/views/bank/nordigen/connect.blade.php b/resources/views/bank/nordigen/connect.blade.php
index a823726d99e2..716ee1837783 100644
--- a/resources/views/bank/nordigen/connect.blade.php
+++ b/resources/views/bank/nordigen/connect.blade.php
@@ -58,7 +58,7 @@
             const institutionId = institution.getAttribute('data-institution');
             const url = new URL(window.location.href);
             url.searchParams.set('institution_id', institutionId);
-         w.location.href = url.href;
+            window.location.href = url.href;
         });
     });