diff --git a/apps/showcase/doc/fileupload/BasicDoc.vue b/apps/showcase/doc/fileupload/BasicDoc.vue
index 62d458313..9f22baa3f 100644
--- a/apps/showcase/doc/fileupload/BasicDoc.vue
+++ b/apps/showcase/doc/fileupload/BasicDoc.vue
@@ -50,6 +50,7 @@ export default {
 </template>
 
 <script setup>
+import { ref } from 'vue';
 import { useToast } from "primevue/usetoast";
 const toast = useToast();
 const fileupload = ref();