diff --git a/ext/spl/tests/bug63680.phpt b/ext/spl/tests/bug63680.phpt
index 3a20c4bb170..0b5c35dc746 100644
--- a/ext/spl/tests/bug63680.phpt
+++ b/ext/spl/tests/bug63680.phpt
@@ -1,5 +1,7 @@
 --TEST--
 Bug #63680 (Memleak in splfixedarray with cycle reference)
+--INI--
+zend.enable_gc=1
 --FILE--
 <?php
 function dummy() {