diff --git a/Classes/Domain/Model/Changes/AbstractCreate.php b/Classes/Domain/Model/Changes/AbstractCreate.php
index 6ebae28193..c2278f8d3b 100644
--- a/Classes/Domain/Model/Changes/AbstractCreate.php
+++ b/Classes/Domain/Model/Changes/AbstractCreate.php
@@ -29,7 +29,7 @@ abstract class AbstractCreate extends AbstractStructuralChange
     /**
      * The type of the node that will be created
      */
-    protected ?NodeTypeName $nodeTypeName;
+    protected ?NodeTypeName $nodeTypeName = null;
 
     /**
      * Incoming data from creationDialog
diff --git a/Classes/Domain/Model/Changes/CopyInto.php b/Classes/Domain/Model/Changes/CopyInto.php
index 56c4e55d5d..b0a37574d5 100644
--- a/Classes/Domain/Model/Changes/CopyInto.php
+++ b/Classes/Domain/Model/Changes/CopyInto.php
@@ -21,7 +21,7 @@ class CopyInto extends AbstractStructuralChange
 {
     protected ?string $parentContextPath;
 
-    protected ?Node $cachedParentNode;
+    protected ?Node $cachedParentNode = null;
 
     public function setParentContextPath(string $parentContextPath): void
     {