diff --git a/src/_staart/rest/group.ts b/src/_staart/rest/group.ts
index a27f0f585..b0c30692f 100644
--- a/src/_staart/rest/group.ts
+++ b/src/_staart/rest/group.ts
@@ -212,8 +212,14 @@ export const updateGroupBillingForUser = async (
     result = await createCustomer(
       groupId,
       data,
-      (groupId: number, data: groupsUpdateInput) =>
-        prisma.groups.update({ where: { id: groupId }, data })
+      async (groupId: number, data: { stripeCustomerId: string }) => {
+        const attributes =
+          typeof group.attributes === "object" ? group.attributes : {};
+        return prisma.groups.update({
+          where: { id: groupId },
+          data: { attributes: { ...attributes, ...data } },
+        });
+      }
     );
   }
   queueWebhook(groupId, Webhooks.UPDATE_ORGANIZATION_BILLING, data);