diff --git a/app/Models/StickerDetail.php b/app/Models/StickerDetail.php
index a43835c..121ebdb 100644
--- a/app/Models/StickerDetail.php
+++ b/app/Models/StickerDetail.php
@@ -15,6 +15,7 @@ class StickerDetail extends Model
         'design_element_type',
         'element_id',
         'element_type',
+        'characteristics_type',
         'string_value',
         'string_font',
         'string_size',