diff --git a/src/addons/mod/forum/pages/discussion/discussion.page.ts b/src/addons/mod/forum/pages/discussion/discussion.page.ts
index d4e1857a7..e85857e4a 100644
--- a/src/addons/mod/forum/pages/discussion/discussion.page.ts
+++ b/src/addons/mod/forum/pages/discussion/discussion.page.ts
@@ -395,7 +395,7 @@ export class AddonModForumDiscussionPage implements OnInit, AfterViewInit, OnDes
                             offlineReplies.push(reply);
 
                             // Disable reply of the parent. Reply in offline to the same post is not allowed, edit instead.
-                            posts[reply.parentid!].capabilities.reply = false;
+                            onlinePostsMap[reply.parentid!].capabilities.reply = false;
 
                             return;
                         }),
diff --git a/src/core/features/course/classes/activity-prefetch-handler.ts b/src/core/features/course/classes/activity-prefetch-handler.ts
index 08b234392..4b58dc5eb 100644
--- a/src/core/features/course/classes/activity-prefetch-handler.ts
+++ b/src/core/features/course/classes/activity-prefetch-handler.ts
@@ -136,7 +136,7 @@ export class CoreCourseActivityPrefetchHandlerBase extends CoreCourseModulePrefe
             await this.setDownloaded(module.id, siteId, extra);
         } catch (error) {
             // Error prefetching, go back to previous status and reject the promise.
-            return this.setPreviousStatus(module.id, siteId);
+            await this.setPreviousStatus(module.id, siteId);
 
             throw error;
         }