diff --git a/src/core/features/comments/pages/viewer/viewer.page.ts b/src/core/features/comments/pages/viewer/viewer.page.ts
index 475b6ebad..1789a611e 100644
--- a/src/core/features/comments/pages/viewer/viewer.page.ts
+++ b/src/core/features/comments/pages/viewer/viewer.page.ts
@@ -153,7 +153,7 @@ export class CoreCommentsViewerPage implements OnInit, OnDestroy {
 
             let comments = commentsResponse.comments.sort((a, b) => b.timecreated - a.timecreated);
             if (typeof commentsResponse.count != 'undefined') {
-                this.canLoadMore = (this.comments.length + comments.length) > commentsResponse.count;
+                this.canLoadMore = (this.comments.length + comments.length) < commentsResponse.count;
             } else {
                 // Old style.
                 this.canLoadMore = commentsResponse.comments.length > 0 &&
@@ -349,8 +349,9 @@ export class CoreCommentsViewerPage implements OnInit, OnDestroy {
             const deletedOnline = await CoreComments.deleteComment(deleteComment);
             this.showDelete = false;
 
-            if (deletedOnline) {
-                const index = this.comments.findIndex((comment) => comment.id == comment.id);
+            if (deletedOnline && 'id' in comment) {
+                const index = this.comments.findIndex((commentinList) => commentinList.id == comment.id);
+
                 if (index >= 0) {
                     this.comments.splice(index, 1);
 
diff --git a/src/core/features/comments/services/comments.ts b/src/core/features/comments/services/comments.ts
index e87d2e3b5..1c252e21c 100644
--- a/src/core/features/comments/services/comments.ts
+++ b/src/core/features/comments/services/comments.ts
@@ -85,11 +85,11 @@ export class CoreCommentsProvider {
         itemId: number,
         area: string = '',
         siteId?: string,
-    ): Promise<CoreCommentsData | boolean> {
+    ): Promise<CoreCommentsData | false> {
         siteId = siteId || CoreSites.getCurrentSiteId();
 
         // Convenience function to store a comment to be synchronized later.
-        const storeOffline = async (): Promise<boolean> => {
+        const storeOffline = async (): Promise<false> => {
             await CoreCommentsOffline.saveComment(content, contextLevel, instanceId, component, itemId, area, siteId);
 
             return false;