diff --git a/ext/zend_test/tests/zend_mm_custom_handlers_alloc_01.phpt b/ext/zend_test/tests/zend_mm_custom_handlers_alloc_01.phpt
index cb6490d4c5d3..b305e260e3fc 100644
--- a/ext/zend_test/tests/zend_mm_custom_handlers_alloc_01.phpt
+++ b/ext/zend_test/tests/zend_mm_custom_handlers_alloc_01.phpt
@@ -5,7 +5,7 @@ zend_test
 --FILE--
 <?php
 ini_set('zend_test.zend_mm_custom_handlers.enabled', 1);
-$string = str_repeat('String', rand(1,100));
+$string = str_repeat('String', rand(2,100));
 ini_set('zend_test.zend_mm_custom_handlers.enabled', 0);
 ?>
 --EXPECTREGEX--
diff --git a/ext/zend_test/tests/zend_mm_custom_handlers_free_01.phpt b/ext/zend_test/tests/zend_mm_custom_handlers_free_01.phpt
index ae9dacb99950..497cd7aee216 100644
--- a/ext/zend_test/tests/zend_mm_custom_handlers_free_01.phpt
+++ b/ext/zend_test/tests/zend_mm_custom_handlers_free_01.phpt
@@ -4,7 +4,7 @@ ZendMM Custom Handlers: garbage collection
 zend_test
 --FILE--
 <?php
-$string = str_repeat('String', rand(1,100));
+$string = str_repeat('String', rand(2,100));
 ini_set('zend_test.zend_mm_custom_handlers.enabled', 1);
 unset($string);
 ini_set('zend_test.zend_mm_custom_handlers.enabled', 0);