diff --git a/Civi/API/Subscriber/ChainSubscriber.php b/Civi/API/Subscriber/ChainSubscriber.php
index dfbfa458e849..7be1bfb913c1 100644
--- a/Civi/API/Subscriber/ChainSubscriber.php
+++ b/Civi/API/Subscriber/ChainSubscriber.php
@@ -182,7 +182,7 @@ protected function callNestedApi($apiKernel, &$params, &$result, $action, $entit
           $enforcedSubParams['version'] = $version;
           // Copy check_permissions from parent.
           $enforcedSubParams['check_permissions'] = $params['check_permissions'] ?? NULL;
-          $enforcedSubParams['sequential'] = 1;
+          $defaultSubParams['sequential'] = 1;
           $enforcedSubParams['api.has_parent'] = 1;
           // Inspect $newparams, the passed in params for the chain call.
           if (array_key_exists(0, $newparams)) {