Update Machine.php

sparors · May 13, 2020 · 82f45f8 · 82f45f8
1 parent 7af8cb1
commit 82f45f8
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/Machine.php b/src/Machine.php
@@ -123,7 +123,7 @@ private function saveParameters()
     /**
      * @throws Exception
      */
-    private function ensureClassExist(string $class, string $message): void
+    private function ensureClassExist(?string $class, string $message): void
     {
         throw_if(
             !class_exists($class),