diff --git a/src/Node/CollectedDataNode.php b/src/Node/CollectedDataNode.php
index c02175b246..7588947625 100644
--- a/src/Node/CollectedDataNode.php
+++ b/src/Node/CollectedDataNode.php
@@ -12,7 +12,7 @@
  * @api
  * @final
  */
-class CollectedDataNode extends NodeAbstract
+class CollectedDataNode extends NodeAbstract implements VirtualNode
 {
 
 	/**