diff --git a/Models/ClientAttributeTypeMapper.php b/Models/ClientAttributeTypeMapper.php
index 29339fa..821839d 100755
--- a/Models/ClientAttributeTypeMapper.php
+++ b/Models/ClientAttributeTypeMapper.php
@@ -37,7 +37,7 @@ final class ClientAttributeTypeMapper extends DataMapperAbstract
         'clientmgmt_attr_type_name'     => ['name' => 'clientmgmt_attr_type_name',   'type' => 'string', 'internal' => 'name', 'autocomplete' => true],
         'clientmgmt_attr_type_fields'   => ['name' => 'clientmgmt_attr_type_fields', 'type' => 'int',    'internal' => 'fields'],
         'clientmgmt_attr_type_custom'   => ['name' => 'clientmgmt_attr_type_custom', 'type' => 'bool', 'internal' => 'custom'],
-        'clientmgmt_attr_type_pattern'  => ['name' => 'clientmgmt_attr_type_pattern', 'type' => 'bool', 'internal' => 'validationPattern'],
+        'clientmgmt_attr_type_pattern'  => ['name' => 'clientmgmt_attr_type_pattern', 'type' => 'string', 'internal' => 'validationPattern'],
         'clientmgmt_attr_type_required' => ['name' => 'clientmgmt_attr_type_required', 'type' => 'bool', 'internal' => 'isRequired'],
     ];