diff --git a/app/Ninja/Presenters/AccountPresenter.php b/app/Ninja/Presenters/AccountPresenter.php
index 5cfd0e70dd68..21f662284997 100644
--- a/app/Ninja/Presenters/AccountPresenter.php
+++ b/app/Ninja/Presenters/AccountPresenter.php
@@ -63,9 +63,16 @@ class AccountPresenter extends Presenter
         return $currency->code;
     }
 
-    public function clientPortalLink()
+    public function clientPortalLink($subdomain = false)
     {
-        return Domain::getLinkFromId($this->entity->domain_id);
+        $account = $this->entity;
+        $url = Domain::getLinkFromId($account->domain_id);
+
+        if ($subdomain && $account->subdomain) {
+            $url = Utils::replaceSubdomain($url, $account->subdomain);
+        }
+
+        return $url;
     }
 
     public function industry()
diff --git a/resources/views/accounts/client_portal.blade.php b/resources/views/accounts/client_portal.blade.php
index 6cd7da575101..0c05b501137e 100644
--- a/resources/views/accounts/client_portal.blade.php
+++ b/resources/views/accounts/client_portal.blade.php
@@ -425,7 +425,12 @@ iframe.src = '{{ rtrim(SITE_URL ,'/') }}/view/'
         var link = '';
 
         if (productId) {
-            var link = '{{ url('/buy_now') }}' + paymentType +
+            @if (Utils::isNinjaProd())
+                var domain = '{{ $account->present()->clientPortalLink(true) }}';
+            @else
+                var domain = '{{ url('/buy_now') }}';
+            @endif
+            var link = domain + paymentType +
                 '?account_key={{ $account->account_key }}' +
                 '&product_id=' + productId;