diff --git a/resources/assets/vue/components/bookings/forms/PurchaseOrderFormComponent.vue b/resources/assets/vue/components/bookings/forms/PurchaseOrderFormComponent.vue
index 166010bb..52a17b84 100644
--- a/resources/assets/vue/components/bookings/forms/PurchaseOrderFormComponent.vue
+++ b/resources/assets/vue/components/bookings/forms/PurchaseOrderFormComponent.vue
@@ -141,7 +141,7 @@
                                     </div>
                                 </template>
                             </document-file-viewer-component>
-                            <button class="btn btn-xs btn-danger b-rad-none btn-block" v-if="data.documents.proforma_invoice && data.outstanding > 0" @click="submit(route('api.booking.proforma.create', data.id), 'post', section, true, true)">Regenerate Proforma Invoice</button>
+                            <button class="btn btn-xs btn-danger b-rad-none btn-block" v-if="data.documents.proforma_invoice && data.outstanding_amount > 0" @click="submit(route('api.booking.proforma.create', data.id), 'post', section, true, true)">Regenerate Proforma Invoice</button>
                         </div>
                     </div>
                 </div>