diff --git a/templates/job-order/cmb.form.advanceorder.html.twig b/templates/job-order/cmb.form.advanceorder.html.twig
index 2e44cea8..e480fa20 100644
--- a/templates/job-order/cmb.form.advanceorder.html.twig
+++ b/templates/job-order/cmb.form.advanceorder.html.twig
@@ -240,7 +240,7 @@
                                     </h3>
                                     <span class="m-switch m-switch--icon block-switch">
                                         <label>
-                                            <input type="checkbox" name="flag_advance" id="flag-advance" value="1"{{ obj.isAdvanceOrder ? ' checked' }} checked>
+                                            <input type="checkbox" name="flag_advance" id="flag-advance" value="1"{{ obj.isAdvanceOrder ? ' checked' }} checked disabled>
                                             <label class="switch-label">This is an advance order</label>
                                             <span></span>
                                         </label>