diff --git a/services/loopback/common/models/address.js b/services/loopback/common/models/address.js
index 7a94dbdc6..89848b8b9 100644
--- a/services/loopback/common/models/address.js
+++ b/services/loopback/common/models/address.js
@@ -17,8 +17,13 @@ module.exports = Self => {
 
     async function cannotHaveET(err, done) {
         let client = await Self.app.models.Client.findById(this.clientFk);
-        let tin = client.fi.toUpperCase();
-        let cannotHaveET = /^[A-B]/.test(tin);
+        let cannotHaveET;
+        if (client && client.fi) {
+            let tin = client.fi.toUpperCase();
+            cannotHaveET = /^[A-B]/.test(tin);
+        } else
+            cannotHaveET = false;
+
 
         if (cannotHaveET && this.isEqualizated)
             err();