diff --git a/src/addons/badges/pages/issued-badge/issued-badge.page.ts b/src/addons/badges/pages/issued-badge/issued-badge.page.ts
index 4a9285995..1fc7a21be 100644
--- a/src/addons/badges/pages/issued-badge/issued-badge.page.ts
+++ b/src/addons/badges/pages/issued-badge/issued-badge.page.ts
@@ -43,29 +43,30 @@ export class AddonBadgesIssuedBadgePage implements OnInit {
     user?: CoreUserProfile;
     course?: CoreEnrolledCourseData;
     badge?: AddonBadgesUserBadge;
-    badges?: CoreSwipeNavigationItemsManager;
+    badges: CoreSwipeNavigationItemsManager;
     badgeLoaded = false;
     currentTime = 0;
 
-    constructor(protected route: ActivatedRoute) { }
-
-    /**
-     * View loaded.
-     */
-    ngOnInit(): void {
+    constructor(protected route: ActivatedRoute) {
         this.courseId = CoreNavigator.getRouteNumberParam('courseId') || this.courseId; // Use 0 for site badges.
         this.userId = CoreNavigator.getRouteNumberParam('userId') || CoreSites.getRequiredCurrentSite().getUserId();
         this.badgeHash = CoreNavigator.getRouteParam('badgeHash') || '';
 
-        this.fetchIssuedBadge().finally(() => {
-            this.badgeLoaded = true;
-        });
-
         const source = CoreRoutedItemsManagerSourcesTracker.getOrCreateSource(
             AddonBadgesUserBadgesSource,
             [this.courseId, this.userId],
         );
+
         this.badges = new CoreSwipeNavigationItemsManager(source);
+    }
+
+    /**
+     * View loaded.
+     */
+    ngOnInit(): void {
+        this.fetchIssuedBadge().finally(() => {
+            this.badgeLoaded = true;
+        });
 
         this.badges.start();
     }
diff --git a/src/addons/mod/feedback/pages/attempt/attempt.ts b/src/addons/mod/feedback/pages/attempt/attempt.ts
index f406be269..35733c4ed 100644
--- a/src/addons/mod/feedback/pages/attempt/attempt.ts
+++ b/src/addons/mod/feedback/pages/attempt/attempt.ts
@@ -38,34 +38,36 @@ import { AddonModFeedbackFormItem, AddonModFeedbackHelper } from '../../services
 })
 export class AddonModFeedbackAttemptPage implements OnInit, OnDestroy {
 
-    protected attemptId!: number;
-
-    cmId!: number;
-    courseId!: number;
+    cmId: number;
+    courseId: number;
     feedback?: AddonModFeedbackWSFeedback;
     attempt?: AddonModFeedbackWSAttempt;
-    attempts?: AddonModFeedbackAttemptsSwipeManager;
+    attempts: AddonModFeedbackAttemptsSwipeManager;
     anonAttempt?: AddonModFeedbackWSAnonAttempt;
     items: AddonModFeedbackAttemptItem[] = [];
     component = AddonModFeedbackProvider.COMPONENT;
     loaded = false;
 
+    protected attemptId: number;
+
+    constructor() {
+        this.cmId = CoreNavigator.getRequiredRouteNumberParam('cmId');
+        this.courseId = CoreNavigator.getRequiredRouteNumberParam('courseId');
+        this.attemptId = CoreNavigator.getRequiredRouteNumberParam('attemptId');
+
+        const source = CoreRoutedItemsManagerSourcesTracker.getOrCreateSource(
+            AddonModFeedbackAttemptsSource,
+            [this.courseId, this.cmId],
+        );
+
+        this.attempts = new AddonModFeedbackAttemptsSwipeManager(source);
+    }
+
     /**
      * @inheritdoc
      */
     ngOnInit(): void {
         try {
-            this.cmId = CoreNavigator.getRequiredRouteNumberParam('cmId');
-            this.courseId = CoreNavigator.getRequiredRouteNumberParam('courseId');
-            this.attemptId = CoreNavigator.getRequiredRouteNumberParam('attemptId');
-
-            const source = CoreRoutedItemsManagerSourcesTracker.getOrCreateSource(
-                AddonModFeedbackAttemptsSource,
-                [this.courseId, this.cmId],
-            );
-
-            this.attempts = new AddonModFeedbackAttemptsSwipeManager(source);
-
             this.attempts.start();
         } catch (error) {
             CoreDomUtils.showErrorModal(error);
@@ -82,7 +84,7 @@ export class AddonModFeedbackAttemptPage implements OnInit, OnDestroy {
      * @inheritdoc
      */
     ngOnDestroy(): void {
-        this.attempts?.destroy();
+        this.attempts.destroy();
     }
 
     /**