diff --git a/src/addon/mod/book/components/index/index.ts b/src/addon/mod/book/components/index/index.ts
index 1dd820508..1b154d373 100644
--- a/src/addon/mod/book/components/index/index.ts
+++ b/src/addon/mod/book/components/index/index.ts
@@ -186,7 +186,7 @@ export class AddonModBookIndexComponent extends CoreCourseModuleMainResourceComp
             // Chapter loaded, log view. We don't return the promise because we don't want to block the user for this.
             this.bookProvider.logView(this.module.instance, chapterId, this.module.name).then(() => {
                 // Module is completed when last chapter is viewed, so we only check completion if the last is reached.
-                if (!this.nextChapter) {
+                if (this.nextChapter == '0') {
                     this.courseProvider.checkModuleCompletion(this.courseId, this.module.completiondata);
                 }
             }).catch(() => {
diff --git a/src/addon/mod/forum/pages/discussion/discussion.ts b/src/addon/mod/forum/pages/discussion/discussion.ts
index 2d6b9af79..f8514dd5f 100644
--- a/src/addon/mod/forum/pages/discussion/discussion.ts
+++ b/src/addon/mod/forum/pages/discussion/discussion.ts
@@ -342,7 +342,7 @@ export class AddonModForumDiscussionPage implements OnDestroy {
                 this.accessInfo = {};
             }).then(() => {
                 this.defaultSubject = this.translate.instant('addon.mod_forum.re') + ' ' +
-                    (this.discussion ? this.discussion.subject : "");
+                    (this.discussion ? this.discussion.subject : '');
                 this.replyData.subject = this.defaultSubject;
 
                 const startingPost = this.forumProvider.extractStartingPost(posts);