diff --git a/src/modules/04_registryPerson/components/detail/PersonalInformation/DialogSortEducation.vue b/src/modules/04_registryPerson/components/detail/PersonalInformation/DialogSortEducation.vue
index a2f95ebca..0b9f5578a 100644
--- a/src/modules/04_registryPerson/components/detail/PersonalInformation/DialogSortEducation.vue
+++ b/src/modules/04_registryPerson/components/detail/PersonalInformation/DialogSortEducation.vue
@@ -311,6 +311,7 @@ watch(modal, async () => {
               <q-tr :props="props">
                 <q-td>
                   <q-checkbox
+                    :disable="props.rowIndex === 0"
                     keep-color
                     color="primary"
                     dense