diff --git a/core/modules/field/modules/number/number.module b/core/modules/field/modules/number/number.module
index b3f56151d6861bbfa9f466a4a113ca98a505248f..99859849e6e03184cfa1a17d08834171ed121132 100644
--- a/core/modules/field/modules/number/number.module
+++ b/core/modules/field/modules/number/number.module
@@ -218,6 +218,8 @@ function number_field_formatter_settings_form($field, $instance, $view_mode, $fo
       '.' => t('Decimal point'),
       ',' => t('Comma'),
       ' ' => t('Space'),
+      chr(8201) => t('Thin space'),
+      "'" => t('Apostrophe'),
     );
     $element['thousand_separator'] = array(
       '#type' => 'select',