diff --git a/Controller/ApiController.php b/Controller/ApiController.php
index 0fee84c..50f4558 100755
--- a/Controller/ApiController.php
+++ b/Controller/ApiController.php
@@ -405,7 +405,7 @@ final class ApiController extends Controller
                     true
                 );
             } catch (\Throwable $t) {
-                $this->app->logger?->error(
+                $this->app->logger->error(
                     \phpOMS\Log\FileLogger::MSG_FULL, [
                         'message' => $t->getMessage(),
                         'line'    => __LINE__,
@@ -447,7 +447,7 @@ final class ApiController extends Controller
 
                     unset($toCheck[$index]);
 
-                    $this->app->logger?->warning(
+                    $this->app->logger->warning(
                         \phpOMS\Log\FileLogger::MSG_FULL, [
                             'message' => 'Resource "' . $resource->id . ': ' . $resource->uri . '" took too long to download (' . ($time - $startTime) . ' s).',
                             'line'    => __LINE__,
@@ -553,7 +553,7 @@ final class ApiController extends Controller
                                 true
                             );
                         } catch (\Throwable $t) {
-                            $this->app->logger?->error(
+                            $this->app->logger->error(
                                 \phpOMS\Log\FileLogger::MSG_FULL, [
                                     'message' => $t->getMessage(),
                                     'line'    => __LINE__,
@@ -703,7 +703,7 @@ final class ApiController extends Controller
                                 true
                             );
                         } catch (\Throwable $t) {
-                            $this->app->logger?->error(
+                            $this->app->logger->error(
                                 \phpOMS\Log\FileLogger::MSG_FULL, [
                                     'message' => $t->getMessage(),
                                     'line'    => __LINE__,