diff --git a/alfa-client/apps/alfa/src/app/app.component.html b/alfa-client/apps/alfa/src/app/app.component.html
index 93c583399606e551305110529a97c03f2d8e0a83..089e9de91f369cb64da483eb2a4316543084ae53 100644
--- a/alfa-client/apps/alfa/src/app/app.component.html
+++ b/alfa-client/apps/alfa/src/app/app.component.html
@@ -28,7 +28,7 @@
     <alfa-header-container [apiRootStateResource]="apiRoot"></alfa-header-container>
 
     <div class="relative ml-4 mt-16 flex flex-grow items-start justify-between">
-      <main class="mat-app-background relative grow"><router-outlet></router-outlet></main>
+      <div class="mat-app-background relative grow"><router-outlet></router-outlet></div>
 
       <section class="mat-app-background right-nav">
         <alfa-build-info
diff --git a/alfa-client/libs/vorgang-detail/src/lib/vorgang-detail-page/vorgang-detail-page.component.html b/alfa-client/libs/vorgang-detail/src/lib/vorgang-detail-page/vorgang-detail-page.component.html
index d051b35888455e9172455dd0f072002ba739376b..db812801dad788276e27e6c98981813d383bfc0d 100644
--- a/alfa-client/libs/vorgang-detail/src/lib/vorgang-detail-page/vorgang-detail-page.component.html
+++ b/alfa-client/libs/vorgang-detail/src/lib/vorgang-detail-page/vorgang-detail-page.component.html
@@ -23,7 +23,7 @@
     unter der Lizenz sind dem Lizenztext zu entnehmen.
 
 -->
-<ng-container *ngIf="vorgangStateResource$ | async as vorgangStateResource">
+<main *ngIf="vorgangStateResource$ | async as vorgangStateResource">
   <h1 class="sr-only">Details zum Vorgang</h1>
   <ozgcloud-subnavigation class="mat-typography mat-app-background" data-test-id="subnavigation">
     <alfa-vorgang-detail-back-button-container></alfa-vorgang-detail-back-button-container>
@@ -48,7 +48,7 @@
       data-test-id="detail-area"
     ></alfa-vorgang-detail-area>
   </div>
-</ng-container>
+</main>
 
 <ozgcloud-progress-bar
   [stateResource]="revokeCommandStateResource$ | async"
diff --git a/alfa-client/libs/vorgang/src/lib/vorgang-list-page-container/vorgang-list-page/vorgang-list-page.component.html b/alfa-client/libs/vorgang/src/lib/vorgang-list-page-container/vorgang-list-page/vorgang-list-page.component.html
index 6c0724946e59724a5a2debf39c5783da0044b17b..c947a1e4cb95a6d6817a0e3573f93a94d523943b 100644
--- a/alfa-client/libs/vorgang/src/lib/vorgang-list-page-container/vorgang-list-page/vorgang-list-page.component.html
+++ b/alfa-client/libs/vorgang/src/lib/vorgang-list-page-container/vorgang-list-page/vorgang-list-page.component.html
@@ -33,7 +33,7 @@
     class="w-[15.5rem] flex-none"
   ></alfa-vorgang-views-menu-container>
 
-  <div
+  <main
     *ngIf="
       apiRootStateResource?.resource | hasLink: apiRootLinkRel.ALLE_VORGAENGE;
       else showNoRoleMessage
@@ -42,7 +42,7 @@
     class="flex flex-1 flex-col overflow-hidden border border-gray-200 dark:border-black"
   >
     <router-outlet></router-outlet>
-  </div>
+  </main>
 
   <ng-template #showNoRoleMessage>
     <div class="flex-1 border border-gray-200 px-7 py-6" data-test-id="user-no-role-message">