diff --git a/tests/unit/Option/NoneTest.php b/tests/unit/Option/NoneTest.php
index 85aa8f7e..42e23b92 100644
--- a/tests/unit/Option/NoneTest.php
+++ b/tests/unit/Option/NoneTest.php
@@ -90,12 +90,12 @@ public function testApply(): void
         $spy = new Ref(1);
 
         $option = Option\none();
-        $option->apply(static function (int $value) use ($spy) {
+        $actual = $option->apply(static function (int $value) use ($spy) {
             $spy->value += $value;
         });
 
         static::assertSame(1, $spy->value);
-        static::assertTrue($option->isNone());
+        static::assertSame($option, $actual);
     }
 
     public function testMap(): void