diff --git a/src/feed-generation.ts b/src/feed-generation.ts
index f877f1a..e5c0578 100644
--- a/src/feed-generation.ts
+++ b/src/feed-generation.ts
@@ -31,7 +31,7 @@ export default function (server: Server, ctx: AppContext) {
       .limit(params.limit)
 
     if (params.cursor) {
-      const [indexedAt, cid] = params.cursor.split('..')
+      const [indexedAt, cid] = params.cursor.split('::')
       if (!indexedAt || !cid) {
         throw new InvalidRequestError('malformed cursor')
       }