diff --git a/app/Models/Client.php b/app/Models/Client.php
index de128945adb3..24b45e131fc2 100644
--- a/app/Models/Client.php
+++ b/app/Models/Client.php
@@ -262,7 +262,7 @@ class Client extends EntityModel
         // check if this client wasRecentlyCreated to ensure a new contact is
         // always created even if the request includes a contact id
         if (! $this->wasRecentlyCreated && $publicId && $publicId != '-1') {
-            $contact = Contact::scope($publicId)->firstOrFail();
+            $contact = Contact::scope($publicId)->whereClientId($this->id)->firstOrFail();
         } else {
             $contact = Contact::createNew();
             $contact->send_invoice = true;
diff --git a/app/Models/Vendor.php b/app/Models/Vendor.php
index 4f4a7112d33d..afc48afbc21f 100644
--- a/app/Models/Vendor.php
+++ b/app/Models/Vendor.php
@@ -216,8 +216,8 @@ class Vendor extends EntityModel
     {
         $publicId = isset($data['public_id']) ? $data['public_id'] : (isset($data['id']) ? $data['id'] : false);
 
-        if ($publicId && $publicId != '-1') {
-            $contact = VendorContact::scope($publicId)->firstOrFail();
+        if (! $this->wasRecentlyCreated && $publicId && $publicId != '-1') {
+            $contact = VendorContact::scope($publicId)->whereVendorId($this->id)->firstOrFail();
         } else {
             $contact = VendorContact::createNew();
         }