diff --git a/Admin/Install/Navigation.php b/Admin/Install/Navigation.php
index d4cef0e..cf2b625 100644
--- a/Admin/Install/Navigation.php
+++ b/Admin/Install/Navigation.php
@@ -10,7 +10,7 @@
  * @version    1.0.0
  * @link       http://website.orange-management.de
  */
-declare(strict_types = 1);
+declare(strict_types=1);
 
 namespace Modules\Billing\Admin\Install;
 
diff --git a/Admin/Installer.php b/Admin/Installer.php
index f4a65df..eba1b75 100644
--- a/Admin/Installer.php
+++ b/Admin/Installer.php
@@ -10,7 +10,7 @@
  * @version    1.0.0
  * @link       http://website.orange-management.de
  */
-declare(strict_types = 1);
+declare(strict_types=1);
 
 namespace Modules\Billing\Admin;
 
diff --git a/Admin/Status.php b/Admin/Status.php
index 1818190..28f146e 100644
--- a/Admin/Status.php
+++ b/Admin/Status.php
@@ -10,7 +10,7 @@
  * @version    1.0.0
  * @link       http://website.orange-management.de
  */
-declare(strict_types = 1);
+declare(strict_types=1);
 
 namespace Modules\Billing\Admin;
 
diff --git a/Admin/Uninstaller.php b/Admin/Uninstaller.php
index f925fc8..49120e1 100644
--- a/Admin/Uninstaller.php
+++ b/Admin/Uninstaller.php
@@ -10,7 +10,7 @@
  * @version    1.0.0
  * @link       http://website.orange-management.de
  */
-declare(strict_types = 1);
+declare(strict_types=1);
 
 namespace Modules\Billing\Admin;
 
diff --git a/Admin/Updater.php b/Admin/Updater.php
index ab07736..f20ddc3 100644
--- a/Admin/Updater.php
+++ b/Admin/Updater.php
@@ -10,7 +10,7 @@
  * @version    1.0.0
  * @link       http://website.orange-management.de
  */
-declare(strict_types = 1);
+declare(strict_types=1);
 
 namespace Modules\Billing\Admin;
 
diff --git a/Controller.php b/Controller.php
index a188009..0d0197a 100644
--- a/Controller.php
+++ b/Controller.php
@@ -10,7 +10,7 @@
  * @version    1.0.0
  * @link       http://website.orange-management.de
  */
-declare(strict_types = 1);
+declare(strict_types=1);
 
 namespace Modules\Billing;
 
diff --git a/Models/Invoice.php b/Models/Invoice.php
index 5d78b36..1b6c41e 100644
--- a/Models/Invoice.php
+++ b/Models/Invoice.php
@@ -10,7 +10,7 @@
  * @version    1.0.0
  * @link       http://website.orange-management.de
  */
-declare(strict_types = 1);
+declare(strict_types=1);
 
 namespace Modules\Billing\Models;
 
diff --git a/Models/InvoiceElement.php b/Models/InvoiceElement.php
index 5c14a4c..4b226ad 100644
--- a/Models/InvoiceElement.php
+++ b/Models/InvoiceElement.php
@@ -10,7 +10,7 @@
  * @version    1.0.0
  * @link       http://website.orange-management.de
  */
-declare(strict_types = 1);
+declare(strict_types=1);
 
 namespace Modules\Billing\Models;
 
diff --git a/Models/InvoiceStatus.php b/Models/InvoiceStatus.php
index 9fd98ed..ba70ec1 100644
--- a/Models/InvoiceStatus.php
+++ b/Models/InvoiceStatus.php
@@ -10,7 +10,7 @@
  * @version    1.0.0
  * @link       http://website.orange-management.de
  */
-declare(strict_types = 1);
+declare(strict_types=1);
 
 namespace Modules\Billing\Models;
 
diff --git a/Models/InvoiceType.php b/Models/InvoiceType.php
index 2a1b5cf..feb881e 100644
--- a/Models/InvoiceType.php
+++ b/Models/InvoiceType.php
@@ -10,7 +10,7 @@
  * @version    1.0.0
  * @link       http://website.orange-management.de
  */
-declare(strict_types = 1);
+declare(strict_types=1);
 
 namespace Modules\Billing\Models;