diff --git a/apps/red-ui/src/app/modules/projects/components/file-workload/file-workload.component.ts b/apps/red-ui/src/app/modules/projects/components/file-workload/file-workload.component.ts
index 7339cc2c8..a56d1d7f9 100644
--- a/apps/red-ui/src/app/modules/projects/components/file-workload/file-workload.component.ts
+++ b/apps/red-ui/src/app/modules/projects/components/file-workload/file-workload.component.ts
@@ -64,7 +64,7 @@ export class FileWorkloadComponent {
     }
 
     public annotationIsSelected(annotation: AnnotationWrapper) {
-        return this.selectedAnnotations?.find((a) => a.id === annotation.id);
+        return this.selectedAnnotations?.find((a) => a?.id === annotation.id);
     }
 
     public logAnnotation(annotation: AnnotationWrapper) {
@@ -140,7 +140,7 @@ export class FileWorkloadComponent {
         if (!this.selectedAnnotations || this.selectedAnnotations.length === 0) {
             return;
         }
-        const elements: any[] = this._annotationsElement.nativeElement.querySelectorAll(`div[annotation-id="${this.firstSelectedAnnotation.id}"].active`);
+        const elements: any[] = this._annotationsElement.nativeElement.querySelectorAll(`div[annotation-id="${this.firstSelectedAnnotation?.id}"].active`);
         FileWorkloadComponent._scrollToFirstElement(elements);
     }