diff --git a/ecs.php b/ecs.php
index 1ab742fc29d..8861451b1b2 100644
--- a/ecs.php
+++ b/ecs.php
@@ -26,6 +26,7 @@
 
         // avoid re-running on build
         __DIR__ . '/preload.php',
+        __DIR__ . '/preload-split-package.php',
 
         PhpdocTypesFixer::class => [
             // double to Double false positive