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 1b411baef..4fed7188b 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
@@ -166,16 +166,16 @@ export function JobLinesUpsertModalComponent({
               name="ah_detail_line"
               valuePropName="checked"
               dependencies={["mod_lbr_ty"]}
+              initialValue={false}
               rules={[
                 ({ getFieldValue }) => ({
                   validator(rule, value) {
-                    console.log(
-                      value === true,
-                      ["LA1", "LA2", "LA3", "LA4", "LAU"].includes(
-                        getFieldValue("mod_lbr_ty")
-                      )
-                    );
-                    if (value === false) return Promise.resolve();
+                    if (
+                      value === false ||
+                      value === undefined ||
+                      value === null
+                    )
+                      return Promise.resolve();
                     if (
                       value === true &&
                       ["LA1", "LA2", "LA3", "LA4", "LAU"].includes(