diff --git a/loopback/locale/es.json b/loopback/locale/es.json
index 0a0865bdfe..67f9082eca 100644
--- a/loopback/locale/es.json
+++ b/loopback/locale/es.json
@@ -72,7 +72,7 @@
 	"The secret can't be blank": "La contraseña no puede estar en blanco",
 	"We weren't able to send this SMS": "No hemos podido enviar el SMS",
 	"This client can't be invoiced": "Este cliente no puede ser facturado",
-    "You must provide the correction information to generate a corrective invoice": "Debes informar la información de corrección para generar una factura rectificativa",
+	"You must provide the correction information to generate a corrective invoice": "Debes informar la información de corrección para generar una factura rectificativa",
 	"This ticket can't be invoiced": "Este ticket no puede ser facturado",
 	"You cannot add or modify services to an invoiced ticket": "No puedes añadir o modificar servicios a un ticket facturado",
 	"This ticket can not be modified": "Este ticket no puede ser modificado",
@@ -336,5 +336,6 @@
 	"Incorrect pin": "Pin incorrecto",
 	"You already have the mailAlias": "Ya tienes este alias de correo",
 	"The alias cant be modified": "Este alias de correo no puede ser modificado",
-	"No tickets to invoice": "No hay tickets para facturar"
+	"No tickets to invoice": "No hay tickets para facturar",
+	"An email is necessary": "Es necesario un email"
 }
diff --git a/modules/client/back/methods/client/createWithUser.js b/modules/client/back/methods/client/createWithUser.js
index 8e0d56f49e..06b885ab82 100644
--- a/modules/client/back/methods/client/createWithUser.js
+++ b/modules/client/back/methods/client/createWithUser.js
@@ -1,3 +1,5 @@
+const UserError = require('vn-loopback/util/user-error');
+
 module.exports = function(Self) {
     Self.remoteMethod('createWithUser', {
         description: 'Creates both client and its web account',
@@ -29,7 +31,11 @@ module.exports = function(Self) {
             myOptions.transaction = tx;
         }
 
-        const firstEmail = data.email ? data.email.split(',')[0] : null;
+        if (!data.email)
+            throw new UserError('An email is necessary');
+
+        const firstEmail = data.email.split(',')[0];
+
         const user = {
             name: data.userName,
             email: firstEmail,
diff --git a/modules/client/back/methods/client/specs/createWithUser.spec.js b/modules/client/back/methods/client/specs/createWithUser.spec.js
index 03106acc11..074cb289a9 100644
--- a/modules/client/back/methods/client/specs/createWithUser.spec.js
+++ b/modules/client/back/methods/client/specs/createWithUser.spec.js
@@ -13,6 +13,8 @@ describe('Client Create', () => {
         businessTypeFk: 'florist',
         provinceFk: 1
     };
+    const newAccountWithoutEmail = JSON.parse(JSON.stringify(newAccount));
+    delete newAccountWithoutEmail.email;
 
     beforeAll(async() => {
         const activeCtx = {
@@ -48,6 +50,24 @@ describe('Client Create', () => {
         }
     });
 
+    it('should not create a new account', async() => {
+        const tx = await models.Client.beginTransaction({});
+
+        let error;
+        try {
+            const options = {transaction: tx};
+            await models.Client.createWithUser(newAccountWithoutEmail, options);
+
+            await tx.rollback();
+        } catch (e) {
+            error = e.message;
+
+            await tx.rollback();
+        }
+
+        expect(error).toEqual(`An email is necessary`);
+    });
+
     it('should create a new account', async() => {
         const tx = await models.Client.beginTransaction({});