diff --git a/api/v1/clients/client_model.php b/api/v1/clients/client_model.php
index a5b9759d..b9e9a6e9 100644
--- a/api/v1/clients/client_model.php
+++ b/api/v1/clients/client_model.php
@@ -39,7 +39,7 @@ if (isset($_POST['client_rate'])) {
 } elseif ($client_row) {
     $rate = $client_row['client_rate'];
 } else {
-    $rate = '';
+    $rate = 0;
 }
 
 if (isset($_POST['client_currency_code'])) {
@@ -55,7 +55,7 @@ if (isset($_POST['client_net_terms'])) {
 } elseif ($client_row) {
     $net_terms = $client_row['client_net_terms'];
 } else {
-    $net_terms = '';
+    $net_terms = 0;
 }
 
 if (isset($_POST['client_tax_id_number'])) {