diff --git a/src/Query/ResultSetMapping.php b/src/Query/ResultSetMapping.php
index a3946a5db5..d8f4bc7669 100644
--- a/src/Query/ResultSetMapping.php
+++ b/src/Query/ResultSetMapping.php
@@ -162,7 +162,7 @@ class ResultSetMapping
     /**
      * Maps object Ids in the result set to classnames.
      *
-     * @phpstan-var array<string|int, string>
+     * @phpstan-var array<string|int, class-string>
      */
     public array $newObject = [];