diff --git a/.env.example b/.env.example
index 4fd2e2b837..46dcea9ba5 100644
--- a/.env.example
+++ b/.env.example
@@ -11,6 +11,8 @@ DB_PASSWORD=secret
 CACHE_DRIVER=file
 SESSION_DRIVER=file
 
+DEFAULT_CURRENCY=EUR
+
 EMAIL_SMTP=
 EMAIL_DRIVER=smtp
 EMAIL_USERNAME=
diff --git a/app/Helpers/Csv/PostProcessing/Currency.php b/app/Helpers/Csv/PostProcessing/Currency.php
index a03b9db27c..e5014120be 100644
--- a/app/Helpers/Csv/PostProcessing/Currency.php
+++ b/app/Helpers/Csv/PostProcessing/Currency.php
@@ -24,7 +24,7 @@ class Currency implements PostProcessorInterface
 
         // fix currency
         if (is_null($this->data['currency'])) {
-            $currencyPreference     = Preferences::get('currencyPreference', 'EUR');
+            $currencyPreference     = Preferences::get('currencyPreference', env('DEFAULT_CURRENCY', 'EUR'));
             $this->data['currency'] = TransactionCurrency::whereCode($currencyPreference->data)->first();
         }
 
diff --git a/app/Http/Controllers/CurrencyController.php b/app/Http/Controllers/CurrencyController.php
index b808805255..6c066e5e16 100644
--- a/app/Http/Controllers/CurrencyController.php
+++ b/app/Http/Controllers/CurrencyController.php
@@ -147,7 +147,7 @@ class CurrencyController extends Controller
     public function index(CurrencyRepositoryInterface $repository)
     {
         $currencies      = $repository->get();
-        $defaultCurrency = $repository->getCurrencyByPreference(Preferences::get('currencyPreference', 'EUR'));
+        $defaultCurrency = $repository->getCurrencyByPreference(Preferences::get('currencyPreference', env('DEFAULT_CURRENCY','EUR')));
 
 
         if (!Auth::user()->hasRole('owner')) {
diff --git a/app/Support/Amount.php b/app/Support/Amount.php
index 4e8f03a460..50e72c37b3 100644
--- a/app/Support/Amount.php
+++ b/app/Support/Amount.php
@@ -40,7 +40,7 @@ class Amount
         if ($cache->has()) {
             return $cache->get();
         } else {
-            $currencyPreference = Prefs::get('currencyPreference', 'EUR');
+            $currencyPreference = Prefs::get('currencyPreference', env('DEFAULT_CURRENCY','EUR'));
             $currency           = TransactionCurrency::whereCode($currencyPreference->data)->first();
 
             $cache->store($currency->symbol);
@@ -152,7 +152,7 @@ class Amount
         if ($cache->has()) {
             return $cache->get();
         } else {
-            $currencyPreference = Prefs::get('currencyPreference', 'EUR');
+            $currencyPreference = Prefs::get('currencyPreference', env('DEFAULT_CURRENCY','EUR'));
 
             $currency = TransactionCurrency::whereCode($currencyPreference->data)->first();
             if ($currency) {
@@ -161,9 +161,9 @@ class Amount
 
                 return $currency->code;
             }
-            $cache->store('EUR');
+            $cache->store(env('DEFAULT_CURRENCY','EUR'));
 
-            return 'EUR'; // @codeCoverageIgnore
+            return env('DEFAULT_CURRENCY','EUR'); // @codeCoverageIgnore
         }
     }