diff --git a/Zend/tests/stack_limit/stack_limit_003.phpt b/Zend/tests/stack_limit/stack_limit_003.phpt
index 9eb94a97163..6cf41a2bb14 100644
--- a/Zend/tests/stack_limit/stack_limit_003.phpt
+++ b/Zend/tests/stack_limit/stack_limit_003.phpt
@@ -7,7 +7,7 @@ if (!function_exists('zend_test_zend_call_stack_get')) die("skip zend_test_zend_
 --EXTENSIONS--
 zend_test
 --INI--
-zend.max_allowed_stack_size=128K
+zend.max_allowed_stack_size=256K
 --FILE--
 <?php
 
diff --git a/Zend/tests/stack_limit/stack_limit_007.phpt b/Zend/tests/stack_limit/stack_limit_007.phpt
index 411af1d2c68..ea917600075 100644
--- a/Zend/tests/stack_limit/stack_limit_007.phpt
+++ b/Zend/tests/stack_limit/stack_limit_007.phpt
@@ -7,7 +7,7 @@ if (!function_exists('zend_test_zend_call_stack_get')) die("skip zend_test_zend_
 --EXTENSIONS--
 zend_test
 --INI--
-zend.max_allowed_stack_size=128K
+zend.max_allowed_stack_size=256K
 --FILE--
 <?php
 
diff --git a/Zend/tests/stack_limit/stack_limit_008.phpt b/Zend/tests/stack_limit/stack_limit_008.phpt
index 56ff6f18bdc..237dd748f2c 100644
--- a/Zend/tests/stack_limit/stack_limit_008.phpt
+++ b/Zend/tests/stack_limit/stack_limit_008.phpt
@@ -7,7 +7,7 @@ if (!function_exists('zend_test_zend_call_stack_get')) die("skip zend_test_zend_
 --EXTENSIONS--
 zend_test
 --INI--
-zend.max_allowed_stack_size=128K
+zend.max_allowed_stack_size=256K
 --FILE--
 <?php
 
diff --git a/Zend/tests/stack_limit/stack_limit_011.phpt b/Zend/tests/stack_limit/stack_limit_011.phpt
index 6155525675c..1994fde7f7a 100644
--- a/Zend/tests/stack_limit/stack_limit_011.phpt
+++ b/Zend/tests/stack_limit/stack_limit_011.phpt
@@ -7,7 +7,7 @@ if (!function_exists('zend_test_zend_call_stack_get')) die("skip zend_test_zend_
 --EXTENSIONS--
 zend_test
 --INI--
-zend.max_allowed_stack_size=128K
+zend.max_allowed_stack_size=256K
 --FILE--
 <?php
 
diff --git a/Zend/tests/stack_limit/stack_limit_012.phpt b/Zend/tests/stack_limit/stack_limit_012.phpt
index ed5189f37ca..6cff18626be 100644
--- a/Zend/tests/stack_limit/stack_limit_012.phpt
+++ b/Zend/tests/stack_limit/stack_limit_012.phpt
@@ -7,7 +7,7 @@ if (!function_exists('zend_test_zend_call_stack_get')) die("skip zend_test_zend_
 --EXTENSIONS--
 zend_test
 --INI--
-zend.max_allowed_stack_size=128K
+zend.max_allowed_stack_size=256K
 --FILE--
 <?php