diff --git a/modules/BC21/Models/Purchase/Bill.php b/modules/BC21/Models/Purchase/Bill.php
index 3a6c3dff5..739e10192 100644
--- a/modules/BC21/Models/Purchase/Bill.php
+++ b/modules/BC21/Models/Purchase/Bill.php
@@ -13,6 +13,8 @@ class Bill extends Document
 {
     protected static function booted()
     {
+        parent::booted();
+
         static::addGlobalScope(new ReplaceDeprecatedColumns);
     }
 
diff --git a/modules/BC21/Models/Sale/Invoice.php b/modules/BC21/Models/Sale/Invoice.php
index bd7eb5f05..46ee75a15 100644
--- a/modules/BC21/Models/Sale/Invoice.php
+++ b/modules/BC21/Models/Sale/Invoice.php
@@ -13,6 +13,8 @@ class Invoice extends Document
 {
     protected static function booted()
     {
+        parent::booted();
+
         static::addGlobalScope(new ReplaceDeprecatedColumns);
     }