diff --git a/packages/app-shell/src/app-shell.js b/packages/app-shell/src/app-shell.js
index e62935cbd8631f2ee5270fca1969612a01d0edd7..4d09b0cf80d428122eccbe2e4437205a8d67b5de 100644
--- a/packages/app-shell/src/app-shell.js
+++ b/packages/app-shell/src/app-shell.js
@@ -1025,6 +1025,7 @@ export class AppShell extends ScopedElementsMixin(DBPLitElement) {
                             <div class="hd1-middle"></div>
                             <div class="hd1-right">
                                 <dbp-auth-menu-button
+                                    data-testid="dbp-auth-menu-button"
                                     subscribe="auth"
                                     class="auth-button"
                                     lang="${this.lang}"></dbp-auth-menu-button>