diff --git a/application/Espo/ORM/Repository/RDBRelationSelectBuilder.php b/application/Espo/ORM/Repository/RDBRelationSelectBuilder.php
index 4988cf98fd..4df205feb9 100644
--- a/application/Espo/ORM/Repository/RDBRelationSelectBuilder.php
+++ b/application/Espo/ORM/Repository/RDBRelationSelectBuilder.php
@@ -53,7 +53,7 @@ use InvalidArgumentException;
 /**
  * Builds select parameters for related records for RDB repository.
  *
- * @template TEntity of Entity
+ * @template TEntity of Entity = Entity
  */
 class RDBRelationSelectBuilder
 {