diff --git a/src/Console/ModelsCommand.php b/src/Console/ModelsCommand.php
index 7b212941e..ee2301b59 100644
--- a/src/Console/ModelsCommand.php
+++ b/src/Console/ModelsCommand.php
@@ -1304,7 +1304,7 @@ protected function getCommentFromDocBlock(\ReflectionMethod $reflection)
      *
      * @return null|string
      */
-    protected function getReturnTypeFromDocBlock(\ReflectionMethod $reflection, \Reflector $reflectorForContext = null)
+    protected function getReturnTypeFromDocBlock(\ReflectionMethod $reflection, ?\Reflector $reflectorForContext = null)
     {
         $phpDocContext = (new ContextFactory())->createFromReflector($reflectorForContext ?? $reflection);
         $context = new Context(