diff --git a/Zend/tests/new_oom.phpt b/Zend/tests/new_oom.phpt
index 1e9b0593e6b..93d1bdf7b69 100644
--- a/Zend/tests/new_oom.phpt
+++ b/Zend/tests/new_oom.phpt
@@ -11,7 +11,7 @@ $file = __DIR__ . '/new_oom.inc';
 $php = PHP_BINARY;
 
 foreach (get_declared_classes() as $class) {
-    $output = shell_exec("$php $file $class 2>&1");
+    $output = shell_exec("$php --no-php-ini $file $class 2>&1");
     if ($output && preg_match('(^\nFatal error: Allowed memory size of [0-9]+ bytes exhausted[^\r\n]* \(tried to allocate [0-9]+ bytes\) in [^\r\n]+ on line [0-9]+$)', $output) !== 1) {
         echo "Class $class failed\n";
         echo $output, "\n";