diff --git a/src/Utils/DrupalApi.php b/src/Utils/DrupalApi.php
index 57a97d1a5..6ac8da514 100644
--- a/src/Utils/DrupalApi.php
+++ b/src/Utils/DrupalApi.php
@@ -263,7 +263,9 @@ public function drupal_rebuild($class_loader, \Symfony\Component\HttpFoundation\
         $kernel->invalidateContainer();
 
         // Prepare a NULL request.
-        $kernel->prepareLegacyRequest($request);
+        if (method_exists($kernel, 'prepareLegacyRequest')) {
+            $kernel->prepareLegacyRequest($request);
+        }
 
         foreach (Cache::getBins() as $bin) {
             $bin->deleteAll();