diff --git a/source/app/models/main.py b/source/app/models/main.py
index 197b49f..b743ffe 100644
--- a/source/app/models/main.py
+++ b/source/app/models/main.py
@@ -2256,6 +2256,8 @@ class Productos(BaseModel):
 
     @classmethod
     def actualizar(cls, values, id):
+        if not 'cuenta_predial' in values:
+            values['cuenta_predial'] = ''
         fields, taxes = cls._clean(cls, values)
         obj_taxes = SATImpuestos.select().where(SATImpuestos.id.in_(taxes))
         with database_proxy.transaction():