diff --git a/application/Espo/Classes/Acl/Email/AssignmentChecker.php b/application/Espo/Classes/Acl/Email/AssignmentChecker.php
index fbe58e4642..ed2b6426f9 100644
--- a/application/Espo/Classes/Acl/Email/AssignmentChecker.php
+++ b/application/Espo/Classes/Acl/Email/AssignmentChecker.php
@@ -34,7 +34,7 @@ use Espo\Entities\User;
 use Espo\ORM\Entity;
 
 use Espo\Core\{
-    Acl\AssignmentChecker\DefaultAssignmentChecker,
+    Acl\DefaultAssignmentChecker,
 };
 
 class AssignmentChecker extends DefaultAssignmentChecker
diff --git a/application/Espo/Core/Acl/AssignmentChecker/AssignmentCheckerFactory.php b/application/Espo/Core/Acl/AssignmentChecker/AssignmentCheckerFactory.php
index 75ec59b7df..6928b3d62a 100644
--- a/application/Espo/Core/Acl/AssignmentChecker/AssignmentCheckerFactory.php
+++ b/application/Espo/Core/Acl/AssignmentChecker/AssignmentCheckerFactory.php
@@ -34,6 +34,7 @@ use Espo\Core\{
     Utils\Metadata,
     InjectableFactory,
     Acl\AssignmentChecker,
+    Acl\DefaultAssignmentChecker,
     Acl\Exceptions\NotImplemented,
 };
 
diff --git a/application/Espo/Core/Acl/AssignmentChecker/DefaultAssignmentChecker.php b/application/Espo/Core/Acl/DefaultAssignmentChecker.php
similarity index 99%
rename from application/Espo/Core/Acl/AssignmentChecker/DefaultAssignmentChecker.php
rename to application/Espo/Core/Acl/DefaultAssignmentChecker.php
index c162b49c99..935af77850 100644
--- a/application/Espo/Core/Acl/AssignmentChecker/DefaultAssignmentChecker.php
+++ b/application/Espo/Core/Acl/DefaultAssignmentChecker.php
@@ -27,7 +27,7 @@
  * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
  ************************************************************************/
 
-namespace Espo\Core\Acl\AssignmentChecker;
+namespace Espo\Core\Acl;
 
 use Espo\ORM\{
     Entity,