diff --git a/js/src/forum/components/DiscussionPage.js b/js/src/forum/components/DiscussionPage.js
index 6adb835ae..c5812bf39 100644
--- a/js/src/forum/components/DiscussionPage.js
+++ b/js/src/forum/components/DiscussionPage.js
@@ -155,7 +155,7 @@ export default class DiscussionPage extends Page {
             record.relationships.discussion.data.id === discussionId
         )
         .map((record) => app.store.getById('posts', record.id))
-        .sort((a, b) => a.id() - b.id())
+        .sort((a, b) => a.createdAt() - b.createdAt())
         .slice(0, 20);
     }
 
diff --git a/js/src/forum/states/PostStreamState.js b/js/src/forum/states/PostStreamState.js
index a56132352..d4d73b5fb 100644
--- a/js/src/forum/states/PostStreamState.js
+++ b/js/src/forum/states/PostStreamState.js
@@ -284,7 +284,7 @@ class PostStreamState {
 
     if (loadIds.length) {
       return app.store.find('posts', loadIds).then((newPosts) => {
-        return loaded.concat(newPosts).sort((a, b) => a.id() - b.id());
+        return loaded.concat(newPosts).sort((a, b) => a.createdAt() - b.createdAt());
       });
     }