diff --git a/packages/frontend/src/components/MkNotifications.vue b/packages/frontend/src/components/MkNotifications.vue
index 74712c00f2..2354df5550 100644
--- a/packages/frontend/src/components/MkNotifications.vue
+++ b/packages/frontend/src/components/MkNotifications.vue
@@ -79,7 +79,7 @@ const POLLING_INTERVAL = 1000 * 15;
 
 if (!store.s.realtimeMode) {
 	useInterval(async () => {
-		const isTop = isHeadVisible(rootEl.value, 16);
+		const isTop = rootEl.value == null ? false : isHeadVisible(rootEl.value, 16);
 		paginator.fetchNewer({
 			toQueue: !isTop,
 		});
diff --git a/packages/frontend/src/components/MkPagination.vue b/packages/frontend/src/components/MkPagination.vue
index 98255ad83a..1252982b8a 100644
--- a/packages/frontend/src/components/MkPagination.vue
+++ b/packages/frontend/src/components/MkPagination.vue
@@ -71,10 +71,6 @@ function appearFetchMore() {
 	paginator.fetchOlder();
 }
 
-onMounted(() => {
-	paginator.init();
-});
-
 defineExpose({
 	paginator: paginator,
 });
diff --git a/packages/frontend/src/components/MkTimeline.vue b/packages/frontend/src/components/MkTimeline.vue
index 0391f9819d..a4c8e0d68d 100644
--- a/packages/frontend/src/components/MkTimeline.vue
+++ b/packages/frontend/src/components/MkTimeline.vue
@@ -112,7 +112,7 @@ const POLLING_INTERVAL = 1000 * 15;
 
 if (!store.s.realtimeMode) {
 	useInterval(async () => {
-		const isTop = isHeadVisible(rootEl.value, 16);
+		const isTop = rootEl.value == null ? false : isHeadVisible(rootEl.value, 16);
 		paginator.fetchNewer({
 			toQueue: !isTop,
 		});
@@ -313,10 +313,6 @@ const paginator = usePagination({
 	ctx: paginationQuery,
 });
 
-onMounted(() => {
-	paginator.init();
-});
-
 onUnmounted(() => {
 	disconnectChannel();
 });
diff --git a/packages/frontend/src/use/use-pagination.ts b/packages/frontend/src/use/use-pagination.ts
index 57cc06d474..211a880d75 100644
--- a/packages/frontend/src/use/use-pagination.ts
+++ b/packages/frontend/src/use/use-pagination.ts
@@ -3,7 +3,7 @@
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
-import { computed, isRef, ref, watch } from 'vue';
+import { computed, isRef, onMounted, ref, watch } from 'vue';
 import * as Misskey from 'misskey-js';
 import type { ComputedRef, Ref, ShallowRef } from 'vue';
 import { misskeyApi } from '@/utility/misskey-api.js';
@@ -178,6 +178,10 @@ export function usePagination<Ctx extends PagingCtx, T = Misskey.Endpoints[Ctx['
 		queue.value = [];
 	}
 
+	onMounted(() => {
+		init();
+	});
+
 	return {
 		items,
 		queue,