diff --git a/lib/Command/Load.php b/lib/Command/Load.php
index f49651247..425e0970c 100644
--- a/lib/Command/Load.php
+++ b/lib/Command/Load.php
@@ -27,7 +27,7 @@ public function __construct(
         parent::__construct();
     }
 
-    protected function configure()
+    protected function configure(): void
     {
         $this
             ->setName('analytics:load')
@@ -39,10 +39,10 @@ protected function configure()
             );
     }
 
-    protected function execute(InputInterface $input, OutputInterface $output)
+    protected function execute(InputInterface $input, OutputInterface $output): int
     {
         $dataloadId = $input->getArgument('dataloadId');
         $this->DataloadService->execute((int)$dataloadId);
         return 0;
     }
-}
\ No newline at end of file
+}