diff --git a/frontend/src/app/components/application-top-bar/application-top-bar.component.html b/frontend/src/app/components/application-top-bar/application-top-bar.component.html
index 0962f37ebd..4d764f97ea 100644
--- a/frontend/src/app/components/application-top-bar/application-top-bar.component.html
+++ b/frontend/src/app/components/application-top-bar/application-top-bar.component.html
@@ -25,6 +25,7 @@
         *ngIf="this.helpSiteUrl | async as helpSiteUrl"
         id="hilfeButton"
         class="topBarEntry btn"
+        [attr.data-testId]="'help-button'"
         (click)="window.open(helpSiteUrl, '_blank')"
       >
         <mat-icon aria-hidden="false" aria-label="Help icon" fontIcon="help_outline"></mat-icon>