diff --git a/src/routes/_components/timeline/Timeline.html b/src/routes/_components/timeline/Timeline.html
index e623680..5eaeff4 100644
--- a/src/routes/_components/timeline/Timeline.html
+++ b/src/routes/_components/timeline/Timeline.html
@@ -130,8 +130,8 @@
       itemIds: ({ $filteredTimelineItemSummaries }) => (
         $filteredTimelineItemSummaries && $filteredTimelineItemSummaries.map(_ => _.id)
       ),
-      itemIdsToAdd: ({ $timelineItemSummariesToAdd }) => (
-        $timelineItemSummariesToAdd && $timelineItemSummariesToAdd.map(_ => _.id)
+      itemIdsToAdd: ({ $filteredTimelineItemSummariesToAdd }) => (
+        $filteredTimelineItemSummariesToAdd && $filteredTimelineItemSummariesToAdd.map(_ => _.id)
       ),
       headerProps: ({ itemIdsToAdd }) => {
         return {
diff --git a/src/routes/_store/computations/timelineComputations.js b/src/routes/_store/computations/timelineComputations.js
index 2678519..5280151 100644
--- a/src/routes/_store/computations/timelineComputations.js
+++ b/src/routes/_store/computations/timelineComputations.js
@@ -143,6 +143,14 @@ export function timelineComputations (store) {
     }
   )
 
+  store.compute(
+    'filteredTimelineItemSummariesToAdd',
+    ['timelineItemSummariesToAdd', 'timelineFilterFunction'],
+    (timelineItemSummariesToAdd, timelineFilterFunction) => {
+      return timelineItemSummariesToAdd && timelineItemSummariesToAdd.filter(timelineFilterFunction)
+    }
+  )
+
   store.compute('timelineNotificationItemSummaries',
     [`timelineData_timelineItemSummariesToAdd`, 'timelineFilterFunction', 'currentInstance'],
     (root, timelineFilterFunction, currentInstance) => (
diff --git a/tests/spec/125-notification-timeline-filters.js b/tests/spec/125-notification-timeline-filters.js
index a43e502..fe9eba6 100644
--- a/tests/spec/125-notification-timeline-filters.js
+++ b/tests/spec/125-notification-timeline-filters.js
@@ -4,7 +4,11 @@ import {
   instanceSettingNotificationReblogs,
   notificationBadge,
   instanceSettingNotificationFavs,
-  instanceSettingNotificationMentions, instanceSettingNotificationFollows
+  instanceSettingNotificationMentions,
+  instanceSettingNotificationFollows,
+  notificationsNavButton,
+  getUrl,
+  sleep, showMoreButton, scrollToBottom, scrollToTop
 } from '../utils'
 import { loginAsFoobar } from '../roles'
 import { Selector as $ } from 'testcafe'
@@ -91,3 +95,33 @@ test('Notification timeline filters correctly affect counts - follows', async t
     .expect(notificationBadge.innerText).eql('1', { timeout })
   await unfollowAs('ExternalLinks', 'foobar')
 })
+
+test('Notification timeline filters correctly show "show more" button', async t => {
+  await loginAsFoobar(t)
+  await t
+    .click(settingsNavButton)
+    .click($('a').withText('Instances'))
+    .click($('a').withText('localhost:3000'))
+    .click(instanceSettingNotificationMentions)
+    .expect(instanceSettingNotificationMentions.checked).notOk()
+    .click(notificationsNavButton)
+    .expect(getUrl()).contains('/notifications')
+    .expect(getNthStatusContent(1).exists).ok()
+  await scrollToBottom()
+  await sleep(1000)
+  await postAs('admin', 'hey @foobar you should ignore this')
+  await sleep(1000)
+  await scrollToTop()
+  await sleep(1000)
+  await t
+    .expect(showMoreButton.innerText).contains('Show 0 more') // not shown
+  await scrollToBottom()
+  await sleep(1000)
+  await followAs('ExternalLinks', 'foobar')
+  await sleep(1000)
+  await scrollToTop()
+  await sleep(1000)
+  await t
+    .expect(showMoreButton.innerText).contains('Show 1 more', { timeout: 20000 })
+  await unfollowAs('ExternalLinks', 'foobar')
+})