diff --git a/src/utils/playlist.ts b/src/utils/playlist.ts
index 2972bb1..d444e84 100644
--- a/src/utils/playlist.ts
+++ b/src/utils/playlist.ts
@@ -12,9 +12,22 @@ export async function convertPlaylistsToDataUrls(
   const playlist = parse(playlistData);
 
   if (playlist.isMasterPlaylist) {
+    // Extract base URL from the playlist URL for resolving relative variant URLs
+    const baseUrl = new URL(playlistUrl).origin;
+
     await Promise.all(
       (playlist as MasterPlaylist).variants.map(async (variant) => {
-        const variantPlaylistData = await fetcher(variant.uri, { headers });
+        // Resolve relative URLs against the base URL
+        let variantUrl = variant.uri;
+        if (!variantUrl.startsWith('http')) {
+          // Handle relative URLs - add leading slash if it doesn't exist
+          if (!variantUrl.startsWith('/')) {
+            variantUrl = `/${variantUrl}`;
+          }
+          variantUrl = baseUrl + variantUrl;
+        }
+
+        const variantPlaylistData = await fetcher(variantUrl, { headers });
         const variantPlaylist = parse(variantPlaylistData);
         variant.uri = `data:application/vnd.apple.mpegurl;base64,${btoa(stringify(variantPlaylist))}`;
       }),