diff --git a/src/app/scaffold.ng.html b/src/app/scaffold.ng.html
index e9e6a7c..5d17a27 100644
--- a/src/app/scaffold.ng.html
+++ b/src/app/scaffold.ng.html
@@ -1,6 +1,6 @@
 <ng-content select="ai-dag-toolbar"></ng-content>
 <ng-content select="ai-dag-shelf"></ng-content>
-<article aria-label="Graph area" i18n-aria-label="Aria label for graph area of Workflow Graph" class="flex">
+<article aria-label="Graph area" i18n-aria-label="Aria label for graph area of Workflow Graph" class="flex" tabindex="0">
   <ng-content select="ai-dag-renderer"></ng-content>
 </article>
 <workflow-graph-material-styles-loader