diff --git a/finance/models.py b/finance/models.py
index 6521060..401cfa6 100755
--- a/finance/models.py
+++ b/finance/models.py
@@ -63,7 +63,7 @@ class Invoice(models.Model):
     def get_comment(self):
         return '''Вам выставлен счёт, для оплаты перейдите по ссылке
             %s/api/v1/finance/payment/%s/''' % (settings.DOMAIN, self.yandex_pay.id,) if\
-            self.comment is None else self.comment
+            self.comment is None or self.comment == "" else self.comment
 
     def __str__(self):
         return '%s:%s %s' % (self.id, self.get_status_display(), self.bill.user)