diff --git a/bin/browser.js b/bin/browser.cjs
similarity index 100%
rename from bin/browser.js
rename to bin/browser.cjs
diff --git a/src/Browsershot.php b/src/Browsershot.php
index 9a978313..a67c7221 100644
--- a/src/Browsershot.php
+++ b/src/Browsershot.php
@@ -918,7 +918,7 @@ protected function getFullCommand(array $command)
     {
         $nodeBinary = $this->nodeBinary ?: 'node';
 
-        $binPath = $this->binPath ?: __DIR__.'/../bin/browser.js';
+        $binPath = $this->binPath ?: __DIR__.'/../bin/browser.cjs';
 
         $optionsCommand = $this->getOptionsCommand(json_encode($command));