diff --git a/src/dev-app/mdc-dialog/mdc-dialog-demo.ts b/src/dev-app/mdc-dialog/mdc-dialog-demo.ts
index 10e61c2e8ffd..92e750ea9738 100644
--- a/src/dev-app/mdc-dialog/mdc-dialog-demo.ts
+++ b/src/dev-app/mdc-dialog/mdc-dialog-demo.ts
@@ -173,7 +173,7 @@ export class JazzDialog {
       </p>
     </mat-dialog-content>
 
-    <mat-dialog-actions [attr.align]="actionsAlignment">
+    <mat-dialog-actions [align]="actionsAlignment">
       <button
         mat-raised-button
         color="primary"