diff --git a/src/panels/dev-info/ha-panel-dev-info.ts b/src/panels/dev-info/ha-panel-dev-info.ts
index 1a6ca63b6c..b19a134cf5 100644
--- a/src/panels/dev-info/ha-panel-dev-info.ts
+++ b/src/panels/dev-info/ha-panel-dev-info.ts
@@ -62,7 +62,7 @@ class HaPanelDevInfo extends LitElement {
           <app-toolbar>
             <ha-menu-button
               .narrow="${this.narrow}"
-              showMenu="${this.showMenu}"
+              .showMenu="${this.showMenu}"
             ></ha-menu-button>
             <div main-title>About</div>
           </app-toolbar>