diff --git a/src/addon/mod/workshop/providers/prefetch-handler.ts b/src/addon/mod/workshop/providers/prefetch-handler.ts
index 651e1b735..d7e213044 100644
--- a/src/addon/mod/workshop/providers/prefetch-handler.ts
+++ b/src/addon/mod/workshop/providers/prefetch-handler.ts
@@ -297,13 +297,13 @@ export class AddonModWorkshopPrefetchHandler extends CoreCourseActivityPrefetchH
                                     userIds.push(grade.userid);
                                     userIds.push(grade.gradeoverby);
 
-                                    grade.reviewedby.forEach((assessment) => {
+                                    grade.reviewedby && grade.reviewedby.forEach((assessment) => {
                                         userIds.push(assessment.userid);
                                         userIds.push(assessment.gradinggradeoverby);
                                         assessments[assessment.assessmentid] = assessment;
                                     });
 
-                                    grade.reviewerof.forEach((assessment) => {
+                                    grade.reviewerof && grade.reviewerof.forEach((assessment) => {
                                         userIds.push(assessment.userid);
                                         userIds.push(assessment.gradinggradeoverby);
                                         assessments[assessment.assessmentid] = assessment;
diff --git a/src/app/app.scss b/src/app/app.scss
index 3160c9009..0889d3c2f 100644
--- a/src/app/app.scss
+++ b/src/app/app.scss
@@ -852,7 +852,6 @@ ion-app.app-root {
 
     core-loading {
       flex-grow: 1;
-      position: relative !important;
 
       .core-loading-content {
         position: absolute;