diff --git a/modules/account/back/models/mail-alias-account.js b/modules/account/back/models/mail-alias-account.js
index 8f8e45ae8..5eb561408 100644
--- a/modules/account/back/models/mail-alias-account.js
+++ b/modules/account/back/models/mail-alias-account.js
@@ -29,7 +29,7 @@ module.exports = Self => {
             where: {principalId: userId}
         });
 
-        const availableMailAlias = await models.MailAliasAcl.find({
+        const availableMailAlias = await models.MailAliasAcl.findOne({
             fields: ['mailAliasFk'],
             include: {relation: 'mailAlias'},
             where: {
@@ -40,6 +40,6 @@ module.exports = Self => {
             }
         });
 
-        if (!availableMailAlias.length) throw new UserError('The alias cant be modified');
+        if (!availableMailAlias) throw new UserError('The alias cant be modified');
     }
 };