diff --git a/Tests/Iterator/LazyIteratorTest.php b/Tests/Iterator/LazyIteratorTest.php
index a32619c..dd5f010 100644
--- a/Tests/Iterator/LazyIteratorTest.php
+++ b/Tests/Iterator/LazyIteratorTest.php
@@ -29,7 +29,7 @@ public function testDelegate()
     {
         $iterator = new LazyIterator(fn () => new Iterator(['foo', 'bar']));
 
-        $this->assertCount(2, $iterator);
+        $this->assertCount(2, iterator_to_array($iterator));
     }
 
     public function testInnerDestructedAtTheEnd()