diff --git a/services/loopback/common/models/client.js b/services/loopback/common/models/client.js
index b09c38688..f55d23021 100644
--- a/services/loopback/common/models/client.js
+++ b/services/loopback/common/models/client.js
@@ -35,7 +35,7 @@ module.exports = function(Self) {
         message: 'Correo electrónico inválido',
         allowNull: true,
         allowBlank: true,
-        with: /^[\w|-|.]+@[\w|-]+(\.[\w|-]+)*(,[\w|-|.]+@[\w|-]+(\.[\w|-]+)*)*$/
+        with: /^[\w|.|-]+@[\w|-]+(\.[\w|-]+)*(,[\w|.|-]+@[\w|-]+(\.[\w|-]+)*)*$/
     });
     Self.validatesLengthOf('postcode', {
         allowNull: true,