diff --git a/src/addons/mod/forum/pages/discussion/discussion.html b/src/addons/mod/forum/pages/discussion/discussion.html
index 542fefeda..44a517136 100644
--- a/src/addons/mod/forum/pages/discussion/discussion.html
+++ b/src/addons/mod/forum/pages/discussion/discussion.html
@@ -92,7 +92,7 @@
             </addon-mod-forum-post>
         </div>
 
-        <ion-card *ngIf="sort != 'nested'">
+        <ion-card *ngIf="sort != 'nested' && posts.length">
             <ng-container *ngFor="let post of posts; first as first">
                 <core-spacer *ngIf="!first"></core-spacer>
                 <addon-mod-forum-post [post]="post" [courseId]="courseId" [discussionId]="discussionId" [component]="component"
@@ -103,7 +103,7 @@
             </ng-container>
         </ion-card>
 
-        <ng-container *ngIf="sort == 'nested'">
+        <ng-container *ngIf="sort == 'nested' && posts.length">
             <ng-container *ngFor="let post of posts">
                 <ng-container *ngTemplateOutlet="nestedPosts; context: {post: post}"></ng-container>
             </ng-container>
diff --git a/src/addons/mod/forum/pages/discussion/discussion.page.ts b/src/addons/mod/forum/pages/discussion/discussion.page.ts
index 4fec08325..9ed21d8b6 100644
--- a/src/addons/mod/forum/pages/discussion/discussion.page.ts
+++ b/src/addons/mod/forum/pages/discussion/discussion.page.ts
@@ -75,7 +75,7 @@ export class AddonModForumDiscussionPage implements OnInit, AfterViewInit, OnDes
     discussion?: AddonModForumDiscussion;
     discussions?: AddonModForumDiscussionDiscussionsSwipeManager;
     startingPost?: Post;
-    posts!: Post[];
+    posts: Post[] = [];
     discussionLoaded = false;
     postSubjects!: { [id: string]: string };
     isOnline!: boolean;