diff --git a/src/lib/api/feed/posts.ts b/src/lib/api/feed/posts.ts
index 36a3e6dd3d..33eff50997 100644
--- a/src/lib/api/feed/posts.ts
+++ b/src/lib/api/feed/posts.ts
@@ -4,6 +4,7 @@ import {
   type AppBskyFeedGetPosts,
 } from '@atproto/api'
 
+import {logger} from '#/logger'
 import {type FeedAPI, type FeedAPIResponse} from './types'
 
 export class PostListFeedAPI implements FeedAPI {
@@ -19,7 +20,14 @@ export class PostListFeedAPI implements FeedAPI {
     feedParams: AppBskyFeedGetPosts.QueryParams
   }) {
     this.agent = agent
-    this.params = feedParams
+    if (feedParams.uris.length > 25) {
+      logger.warn(
+        `Too many URIs provided - expected 25, got ${feedParams.uris.length}`,
+      )
+    }
+    this.params = {
+      uris: feedParams.uris.slice(0, 25),
+    }
   }
 
   async peekLatest(): Promise<AppBskyFeedDefs.FeedViewPost> {
diff --git a/src/screens/Notifications/ActivityList.tsx b/src/screens/Notifications/ActivityList.tsx
index 8ee93abafa..f87e340082 100644
--- a/src/screens/Notifications/ActivityList.tsx
+++ b/src/screens/Notifications/ActivityList.tsx
@@ -33,10 +33,10 @@ export function NotificationsActivityListScreen({
       </Layout.Header.Outer>
       <PostFeed
         feed={`posts|${uris}`}
+        disablePoll
         renderEmptyState={() => (
           <EmptyState icon="growth" message={_(msg`No posts here`)} />
         )}
-        disablePoll
         renderEndOfFeed={() => <ListFooter />}
       />
     </Layout.Screen>
diff --git a/src/view/com/notifications/NotificationFeedItem.tsx b/src/view/com/notifications/NotificationFeedItem.tsx
index b62293546e..89e2d20e76 100644
--- a/src/view/com/notifications/NotificationFeedItem.tsx
+++ b/src/view/com/notifications/NotificationFeedItem.tsx
@@ -134,7 +134,7 @@ let NotificationFeedItem = ({
         for (const post of [item.notification, ...(item.additional ?? [])]) {
           posts.push(post.uri)
         }
-        return `/notifications/activity?posts=${encodeURIComponent(posts.join(','))}`
+        return `/notifications/activity?posts=${encodeURIComponent(posts.slice(0, 25).join(','))}`
       }
     }