diff --git a/Controller/ApiController.php b/Controller/ApiController.php
index c5dcb03..8040577 100755
--- a/Controller/ApiController.php
+++ b/Controller/ApiController.php
@@ -234,7 +234,7 @@ final class ApiController extends Controller
      */
     public function apiUnitImageSet(RequestAbstract $request, ResponseAbstract $response, $data = null) : void
     {
-        $uploadedFiles = $request->getFiles() ?? [];
+        $uploadedFiles = $request->getFiles();
         if (empty($uploadedFiles)) {
             $this->fillJsonResponse($request, $response, NotificationLevel::ERROR, 'Unit', 'Invalid unit image', $uploadedFiles);
             $response->header->status = RequestStatusCode::R_400;
@@ -247,8 +247,8 @@ final class ApiController extends Controller
         $old  = clone $unit;
 
         $uploaded = $this->app->moduleManager->get('Media')->uploadFiles(
-            $request->getDataList('names') ?? [],
-            $request->getDataList('filenames') ?? [],
+            $request->getDataList('names'),
+            $request->getDataList('filenames'),
             $uploadedFiles,
             $request->header->account,
             __DIR__ . '/../../../Modules/Media/Files',
diff --git a/composer.json b/composer.json
index b90cb5e..10044a1 100755
--- a/composer.json
+++ b/composer.json
@@ -12,7 +12,7 @@
         "friendsofphp/php-cs-fixer": ">=3.2",
         "squizlabs/php_codesniffer": ">=3.6",
         "phpmd/phpmd": ">=2.9",
-        "phpstan/phpstan": ">=0.12.58",
+        "phpstan/phpstan": ">=1.5.4",
         "phan/phan": ">=3.2.6"
     },
     "minimum-stability": "dev",