diff --git a/src/panels/lovelace/hui-root.ts b/src/panels/lovelace/hui-root.ts
index 718d34a176..a7da02aca9 100644
--- a/src/panels/lovelace/hui-root.ts
+++ b/src/panels/lovelace/hui-root.ts
@@ -60,7 +60,7 @@ let loadedUnusedEntities = false;
 declare global {
   // tslint:disable-next-line
   interface HASSDomEvents {
-    opened: { value: boolean };
+    "opened-changed": { value: boolean };
   }
 }