diff --git a/loopback/locale/es.json b/loopback/locale/es.json
index a8134909e8..185212d516 100644
--- a/loopback/locale/es.json
+++ b/loopback/locale/es.json
@@ -329,5 +329,6 @@
 	"The amount cannot be less than the minimum": "La cantidad no puede ser menor que la cantidad mínima",
 	"quantityLessThanMin": "La cantidad no puede ser menor que la cantidad mínima",
 	"Cannot past travels with entries": "No se pueden pasar envíos con entradas",
-	"It was not able to remove the next expeditions:": "No se pudo eliminar las siguientes expediciones: {{expeditions}}"
-}
+	"It was not able to remove the next expeditions:": "No se pudo eliminar las siguientes expediciones: {{expeditions}}",
+	"Incorrect pin.": "Pin incorrecto."
+}
\ No newline at end of file
diff --git a/modules/worker/back/methods/worker-time-control/clockIn.js b/modules/worker/back/methods/worker-time-control/clockIn.js
index 2e2441cc2a..44e0c547ae 100644
--- a/modules/worker/back/methods/worker-time-control/clockIn.js
+++ b/modules/worker/back/methods/worker-time-control/clockIn.js
@@ -36,9 +36,9 @@ module.exports = Self => {
             Object.assign(myOptions, options);
 
         const query = 'CALL vn.workerTimeControl_clockIn(?, ?, ?)';
-        const [response] = await Self.rawSql(query, [workerFk, timed, direction], myOptions);
-        if (response[0] && response[0].error)
-            throw new UserError(response[0].error);
+        const [[response]] = await Self.rawSql(query, [workerFk, timed, direction], myOptions);
+        if (response && response.error)
+            throw new UserError(response.error);
 
         return response;
     };
diff --git a/modules/worker/back/methods/worker-time-control/login.js b/modules/worker/back/methods/worker-time-control/login.js
index 894b5ba178..b2a17b4e4b 100644
--- a/modules/worker/back/methods/worker-time-control/login.js
+++ b/modules/worker/back/methods/worker-time-control/login.js
@@ -8,7 +8,7 @@ module.exports = Self => {
             {
                 arg: 'pin',
                 type: 'string',
-                required: true,
+                required: true
             },
         ],
         returns: {
@@ -27,9 +27,8 @@ module.exports = Self => {
             Object.assign(myOptions, options);
 
         const query = `CALL vn.workerTimeControl_login(?)`;
-        const user = await Self.rawSql(query, [pin], myOptions);
-
-        if (!user) throw new UserError('Indique el pin.');
-        return user[0][0];
+        const [[user]] = await Self.rawSql(query, [pin], myOptions);
+        if (!user) throw new UserError('Incorrect pin.');
+        return user;
     };
 };