diff --git a/lib/index.js b/lib/index.js
index aaaf969..0a88542 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -1,7 +1,7 @@
 import * as system from './system.js';
 
-export function need (nodeRangeOrAbi, platform, arch) {
-  const nodeRange = system.abiToNodeRange(nodeRangeOrAbi);
+export function need ({ nodeRange, platform, arch } = {}) {
+  nodeRange = system.abiToNodeRange(nodeRange) || 'latest';
   console.log(nodeRange);
 }