diff --git a/Classes/Command/GeocodeCommand.php b/Classes/Command/GeocodeCommand.php
index ec1d7c73..9290246c 100644
--- a/Classes/Command/GeocodeCommand.php
+++ b/Classes/Command/GeocodeCommand.php
@@ -43,7 +43,7 @@ protected function configure()
      * @inheritdoc
      * @return int
      */
-    protected function execute(InputInterface $input, OutputInterface $output)
+    protected function execute(InputInterface $input, OutputInterface $output): int
     {
         $this->getGeocodeService($input->getArgument('key'))->calculateCoordinatesForAllRecordsInTable();
         return 0;