diff --git a/ts_web/elements/uptimelink-webwidget.ts b/ts_web/elements/uptimelink-webwidget.ts
index d0443c6..15abfd5 100644
--- a/ts_web/elements/uptimelink-webwidget.ts
+++ b/ts_web/elements/uptimelink-webwidget.ts
@@ -1,6 +1,12 @@
 import { DeesElement, property, html, customElement, TemplateResult } from '@designestate/dees-element';
 import * as domtools from '@designestate/dees-domtools';
 
+declare global {
+  interface HTMLElementTagNameMap {
+    'uptimelink-webwidget': UptimelinkWebwidget;
+  }
+}
+
 @customElement('uptimelink-webwidget')
 export class UptimelinkWebwidget extends DeesElement {
   public static demo = () => html`