diff --git a/ext/standard/tests/serialize/splobjectstorage_negative_count.phpt b/ext/standard/tests/serialize/splobjectstorage_negative_count.phpt
index f05c6109139..ef2f575d581 100644
--- a/ext/standard/tests/serialize/splobjectstorage_negative_count.phpt
+++ b/ext/standard/tests/serialize/splobjectstorage_negative_count.phpt
@@ -1,7 +1,7 @@
 --TEST--
 OSS-Fuzz: Unserializing SplObjectStorage with negative number of elements
 --SKIPIF--
-<?php if (PHP_INT_SIZE != 4) die("skip requires 64-bit"); ?>
+<?php if (PHP_INT_SIZE != 8) die("skip requires 64-bit"); ?>
 --FILE--
 <?php