diff --git a/modules/worker/back/models/worker.js b/modules/worker/back/models/worker.js
index 48ff1da12a..841b610eae 100644
--- a/modules/worker/back/models/worker.js
+++ b/modules/worker/back/models/worker.js
@@ -34,12 +34,17 @@ module.exports = Self => {
             fields: ['code'],
             where: {id: this.countryFk}
         };
+
         const country = await Self.app.models.Country.findOne(filter);
         const code = country ? country.code.toLowerCase() : null;
-        const countryCode = this.fi?.toLowerCase().substring(0, 2);
+        const client = (await Self.findById(this.id, {
+            include: {relation: 'client'}}))?.client();
+        if (client) {
+            const countryCode = client.fi?.toLowerCase().substring(0, 2);
 
-        if (!this.fi || !validateTin(this.fi, code) || (this.isVies && countryCode == code))
-            err();
+            if (!client.fi || !validateTin(client.fi, code) || countryCode == code)
+                err();
+        }
         done();
     }
 };