diff --git a/app/services/contact_service.py b/app/services/contact_service.py
index a2dc0c5..8eecf14 100644
--- a/app/services/contact_service.py
+++ b/app/services/contact_service.py
@@ -182,9 +182,9 @@ async def list_contacts(
             Contact.search_tsv.op("@@")(func.plainto_tsquery("german", search))
         )
 
-    # Keyset-Pagination: filter by cursor if provided
-    use_keyset = cursor is not None and sort_by == "id" and sort_order == "asc"
-    if use_keyset:
+    # Keyset-Pagination: use keyset when sorting by id (independent of cursor)
+    use_keyset = sort_by == "id" and sort_order == "asc"
+    if use_keyset and cursor is not None:
         base = base.where(Contact.id > uuid.UUID(cursor))
 
     # Count