diff --git a/src/Phar/Compiler.php b/src/Phar/Compiler.php
index 6ffb0a0..a7ebbc7 100644
--- a/src/Phar/Compiler.php
+++ b/src/Phar/Compiler.php
@@ -111,6 +111,7 @@ public function compile($pharFile = 'docs.phar')
         $this->addFile($phar, new \SplFileInfo(__DIR__.'/../../vendor/composer/autoload_files.php'));
         $this->addFile($phar, new \SplFileInfo(__DIR__.'/../../vendor/composer/autoload_real.php'));
         $this->addFile($phar, new \SplFileInfo(__DIR__.'/../../vendor/composer/autoload_static.php'));
+        $this->addFile($phar, new \SplFileInfo(__DIR__.'/../../vendor/composer/platform_check.php'));
         if (file_exists(__DIR__.'/../../vendor/composer/include_paths.php')) {
             $this->addFile($phar, new \SplFileInfo(__DIR__.'/../../vendor/composer/include_paths.php'));
         }