diff --git a/src/pages/playlists/[playlistId]/snapshots.json.ts b/src/pages/playlists/[playlistId]/snapshots.json.ts
index b9cdd98..87f1583 100644
--- a/src/pages/playlists/[playlistId]/snapshots.json.ts
+++ b/src/pages/playlists/[playlistId]/snapshots.json.ts
@@ -49,7 +49,7 @@ export const get: APIRoute = async ({ request, params }) => {
       })
     );
 
-    const body = JSON.stringify(
+    const payload =
       queryParams.get('allowDuplicates') === 'yes'
         ? possiblyDuplicateSnapshots
         : // Since commits are sorted by the latest dateCaptured first,
@@ -62,8 +62,10 @@ export const get: APIRoute = async ({ request, params }) => {
                 snapshot
               ])
             ).values()
-          ]
-    );
+          ];
+
+    const body = JSON.stringify(payload);
+    const ETag = payload[0].snapshotId;
 
     const cacheControlDirectives =
       Date.now() > untilDate.getTime()
@@ -75,7 +77,7 @@ export const get: APIRoute = async ({ request, params }) => {
       headers: {
         'Content-Type': 'application/json;charset=utf-8',
         'Cache-Control': `public, ${cacheControlDirectives}`,
-        ETag: etag as string
+        ETag
       }
     });
   } catch (error) {