diff --git a/types/hls.js/index.d.ts b/types/hls.js/index.d.ts
index d8b34e5969..f496f2d165 100644
--- a/types/hls.js/index.d.ts
+++ b/types/hls.js/index.d.ts
@@ -1430,9 +1430,9 @@ declare namespace Hls {
      */
     levelId?: number;
     /**
-     * ErrorDetails type
+     * ErrorDetails type or Level Details
      */
-    details?: string;
+    details?: string | LevelDetails;
     /**
      * PTS drift observed when parsing last fragment
      */