diff --git a/src/material-examples/sidenav-overview/sidenav-overview-example.html b/src/material-examples/sidenav-overview/sidenav-overview-example.html
index 7a8748560e3..bb50d519621 100644
--- a/src/material-examples/sidenav-overview/sidenav-overview-example.html
+++ b/src/material-examples/sidenav-overview/sidenav-overview-example.html
@@ -1,5 +1,5 @@
 <mat-sidenav-container class="example-container" *ngIf="shouldRun">
-  <mat-sidenav mode="side" opened="true">Sidenav content</mat-sidenav>
+  <mat-sidenav mode="side" opened>Sidenav content</mat-sidenav>
   <mat-sidenav-content>Main content</mat-sidenav-content>
 </mat-sidenav-container>