diff --git a/Models/SessionElementMapper.php b/Models/SessionElementMapper.php
index e05ccb7..5497ccc 100644
--- a/Models/SessionElementMapper.php
+++ b/Models/SessionElementMapper.php
@@ -48,7 +48,7 @@ final class SessionElementMapper extends DataMapperAbstract
     protected static array $belongsTo = [
         'session' => [
             'mapper' => SessionMapper::class,
-            'src'    => 'hr_timerecording_session_element_session',
+            'self'   => 'hr_timerecording_session_element_session',
         ],
     ];
 
diff --git a/Models/SessionMapper.php b/Models/SessionMapper.php
index ec86beb..fb7fb95 100644
--- a/Models/SessionMapper.php
+++ b/Models/SessionMapper.php
@@ -55,8 +55,8 @@ final class SessionMapper extends DataMapperAbstract
         'sessionElements' => [
             'mapper' => SessionElementMapper::class,
             'table'  => 'hr_timerecording_session_element',
-            'dst'    => 'hr_timerecording_session_element_session',
-            'src'    => null,
+            'external' => 'hr_timerecording_session_element_session',
+            'self'   => null,
         ],
     ];
 
@@ -69,7 +69,7 @@ final class SessionMapper extends DataMapperAbstract
     protected static array $belongsTo = [
         'employee' => [
             'mapper' => EmployeeMapper::class,
-            'src'    => 'hr_timerecording_session_employee',
+            'self'   => 'hr_timerecording_session_employee',
         ],
     ];