diff --git a/Models/SupplierMapper.php b/Models/SupplierMapper.php
index 5de9f21..0fe3d7c 100644
--- a/Models/SupplierMapper.php
+++ b/Models/SupplierMapper.php
@@ -82,11 +82,11 @@ final class SupplierMapper extends DataMapperAbstract
     protected static array $ownsOne = [
         'profile' => [
             'mapper' => ProfileMapper::class,
-            'self'   => 'suppliermgmt_supplier_profile',
+            'external'   => 'suppliermgmt_supplier_profile',
         ],
         'mainAddress' => [
             'mapper' => AddressMapper::class,
-            'self'   => 'suppliermgmt_supplier_address',
+            'external'   => 'suppliermgmt_supplier_address',
         ],
     ];
 
@@ -100,14 +100,14 @@ final class SupplierMapper extends DataMapperAbstract
         'files'           => [
             'mapper'   => MediaMapper::class, /* mapper of the related object */
             'table'    => 'suppliermgmt_supplier_media', /* table of the related object, null if no relation table is used (many->1) */
-            'external' => 'suppliermgmt_supplier_media_dst',
-            'self'     => 'suppliermgmt_supplier_media_src',
+            'external' => 'suppliermgmt_supplier_media_src',
+            'self'     => 'suppliermgmt_supplier_media_dst',
         ],
         'contactElements' => [
             'mapper'   => ContactElementMapper::class,
             'table'    => 'suppliermgmt_supplier_contactelement',
-            'external' => 'suppliermgmt_supplier_contactelement_src',
-            'self'     => 'suppliermgmt_supplier_contactelement_dst',
+            'external' => 'suppliermgmt_supplier_contactelement_dst',
+            'self'     => 'suppliermgmt_supplier_contactelement_src',
         ],
     ];
 }