diff --git a/modules/supplier/back/models/supplier.js b/modules/supplier/back/models/supplier.js
index 5cf357c13..fbe74286a 100644
--- a/modules/supplier/back/models/supplier.js
+++ b/modules/supplier/back/models/supplier.js
@@ -17,17 +17,13 @@ module.exports = Self => {
         message: 'The social name cannot be empty'
     });
 
-    if (this.city) {
-        Self.validatesPresenceOf('city', {
-            message: 'City cannot be empty'
-        });
-    }
+    Self.validatesPresenceOf('city', {
+        message: 'City cannot be empty'
+    });
 
-    if (this.nif) {
-        Self.validatesPresenceOf('nif', {
-            message: 'The nif cannot be empty'
-        });
-    }
+    Self.validatesPresenceOf('nif', {
+        message: 'The nif cannot be empty'
+    });
 
     Self.validatesUniquenessOf('nif', {
         message: 'TIN must be unique'