diff --git a/app/Transformers/ClientTransformer.php b/app/Transformers/ClientTransformer.php
index af4735fd2f..c1343f1a05 100644
--- a/app/Transformers/ClientTransformer.php
+++ b/app/Transformers/ClientTransformer.php
@@ -60,6 +60,7 @@ class ClientTransformer extends EntityTransformer
             'private_notes' => $client->private_notes ?: '',
             'balance' => (float) $client->balance,
             'currency_id' => (string)$client->currency_id ?: '',
+            'group_settings_id' => (string)$client->group_settings_id ?: '',
             'paid_to_date' => (float) $client->paid_to_date,
             'last_login' => (int)$client->last_login,
             'address1' => $client->address1 ?: '',