diff --git a/laravel/cli/tasks/test/runner.php b/laravel/cli/tasks/test/runner.php
index 7b18b845fcf..60575bf5c8f 100644
--- a/laravel/cli/tasks/test/runner.php
+++ b/laravel/cli/tasks/test/runner.php
@@ -89,7 +89,7 @@ protected function test()
 		$esc_path = escapeshellarg($path);
 
 		putenv('LARAVEL_ENV='.Request::env());
-		passthru('LARAVEL_ENV='.Request::env().' phpunit --configuration '.$esc_path, $status);
+		passthru('phpunit --configuration '.$esc_path, $status);
 
 		@unlink($path);