diff --git a/packages/Webkul/Attribute/src/Models/Attribute.php b/packages/Webkul/Attribute/src/Models/Attribute.php
index e6bf8ba94..244d94497 100755
--- a/packages/Webkul/Attribute/src/Models/Attribute.php
+++ b/packages/Webkul/Attribute/src/Models/Attribute.php
@@ -9,7 +9,7 @@ class Attribute extends TranslatableModel implements AttributeContract
 {
     public $translatedAttributes = ['name'];
 
-    protected $fillable = ['code', 'admin_name', 'type', 'position', 'is_required', 'is_unique', 'validation', 'value_per_locale', 'value_per_channel', 'is_filterable', 'is_configurable', 'is_visible_on_front', 'is_user_defined', 'swatch_type'];
+    protected $fillable = ['code', 'admin_name', 'type', 'position', 'is_required', 'is_unique', 'validation', 'value_per_locale', 'value_per_channel', 'is_filterable', 'is_configurable', 'is_visible_on_front', 'is_user_defined', 'swatch_type', 'use_in_flat'];
 
     // protected $with = ['options'];