diff --git a/frontend/src/pages/CertifiedParticipants.vue b/frontend/src/pages/CertifiedParticipants.vue
index 62bd2d35..f53d1554 100644
--- a/frontend/src/pages/CertifiedParticipants.vue
+++ b/frontend/src/pages/CertifiedParticipants.vue
@@ -33,7 +33,7 @@
 						v-model="currentCategory"
 						:options="categories.data"
 						:placeholder="__('Category')"
-						@change="updateParticipants()"
+						@update:modelValue="updateParticipants()"
 					/>
 				</div>
 			</div>
@@ -111,7 +111,7 @@ import {
 	Select,
 	usePageMeta,
 } from 'frappe-ui'
-import { computed, inject, onMounted, ref, watch } from 'vue'
+import { computed, inject, onMounted, ref } from 'vue'
 import { GraduationCap } from 'lucide-vue-next'
 import { sessionStore } from '../stores/session'
 import EmptyState from '@/components/EmptyState.vue'
@@ -220,10 +220,6 @@ usePageMeta(() => {
 		icon: brand.favicon,
 	}
 })
-
-watch(currentCategory, (val) => {
-	updateParticipants()
-})
 </script>
 <style>
 .headline {
diff --git a/lms/lms/api.py b/lms/lms/api.py
index 27c14211..88f7aa17 100644
--- a/lms/lms/api.py
+++ b/lms/lms/api.py
@@ -451,6 +451,7 @@ def get_certification_categories():
 		category = doc.course_title if doc.course_title else doc.batch_title
 		if not category or category in seen:
 			continue
+
 		seen.add(category)
 		categories.append({"label": category, "value": category})
 	return categories