diff --git a/src/Command/SitemapChecker.php b/src/Command/SitemapChecker.php
index 21801c9..3875f6f 100644
--- a/src/Command/SitemapChecker.php
+++ b/src/Command/SitemapChecker.php
@@ -177,7 +177,8 @@ protected function execute(InputInterface $input, OutputInterface $output):int
         switch ($engine) {
           case 'chrome':
             $crawler = new ChromeCrawler();
-            $browserFactory = new BrowserFactory('./chrome/chrome');
+            $chromeBinary = is_executable('./chrome/chrome') ? './chrome/chrome' : null;
+            $browserFactory = new BrowserFactory($chromeBinary);
             $crawler->setEngine($browserFactory->createBrowser());
             break;