diff --git a/types/pouchdb-replication/index.d.ts b/types/pouchdb-replication/index.d.ts
index 057653bada..c88ebd4e23 100644
--- a/types/pouchdb-replication/index.d.ts
+++ b/types/pouchdb-replication/index.d.ts
@@ -113,8 +113,8 @@ declare namespace PouchDB {
         }
 
         interface SyncOptions extends ReplicateOptions {
-            push?: boolean;
-            pull?: boolean;
+            push?: ReplicateOptions;
+            pull?: ReplicateOptions;
         }
 
         interface Sync<Content extends Core.Encodable>