diff --git a/application/Espo/Core/Formula/Processor.php b/application/Espo/Core/Formula/Processor.php
index 7d9af66163..2f7c8bb1f5 100644
--- a/application/Espo/Core/Formula/Processor.php
+++ b/application/Espo/Core/Formula/Processor.php
@@ -45,7 +45,7 @@ class Processor
 {
     private FunctionFactory $functionFactory;
 
-    private Entity $entity;
+    private ?Entity $entity;
 
     private stdClass $variables;