diff --git a/src/app/components/permissions/permission-dialog/node-permissions.dialog.html b/src/app/components/permissions/permission-dialog/node-permissions.dialog.html
index dcd7a180c..c4ad08e2e 100644
--- a/src/app/components/permissions/permission-dialog/node-permissions.dialog.html
+++ b/src/app/components/permissions/permission-dialog/node-permissions.dialog.html
@@ -1,4 +1,6 @@
-<header mat-dialog-title>{{'PERMISSIONS.DIALOG.TITLE' | translate}}</header>
+<header role="heading" aria-level="2" mat-dialog-title>
+  {{'PERMISSIONS.DIALOG.TITLE' | translate}}
+</header>
 <section mat-dialog-content>
   <app-permission-manager [nodeId]="nodeId"></app-permission-manager>
 </section>