diff --git a/client/src/components/job-lines-upsert-modal/job-lines-upsert-modal.component.jsx b/client/src/components/job-lines-upsert-modal/job-lines-upsert-modal.component.jsx
index 50aad1b52..8bef7be0f 100644
--- a/client/src/components/job-lines-upsert-modal/job-lines-upsert-modal.component.jsx
+++ b/client/src/components/job-lines-upsert-modal/job-lines-upsert-modal.component.jsx
@@ -226,6 +226,7 @@ export default function JobLinesUpsertModalComponent({
             label={t("joblines.fields.tax_part")}
             name="tax_part"
             valuePropName="checked"
+            initialValue={true}
           >
             <Switch />
           </Form.Item>