diff --git a/src/Node/ModuleNode.php b/src/Node/ModuleNode.php
index 57ef5b286..71c572019 100644
--- a/src/Node/ModuleNode.php
+++ b/src/Node/ModuleNode.php
@@ -41,7 +41,11 @@ final class ModuleNode extends Node
         if (!$embeddedTemplates instanceof Node) {
             trigger_deprecation('twig/twig', '3.21', \sprintf('Not passing a "%s" instance as the "embedded_templates" argument of the "%s" constructor is deprecated.', Node::class, static::class));
 
-            $embeddedTemplates = new Nodes($embeddedTemplates ?? []);
+            if (null !== $embeddedTemplates) {
+                $embeddedTemplates = new Nodes($embeddedTemplates);
+            } else {
+                $embeddedTemplates = new EmptyNode();
+            }
         }
 
         $nodes = [