diff --git a/src/installer.ts b/src/installer.ts
index a9cd3b0..22c8953 100644
--- a/src/installer.ts
+++ b/src/installer.ts
@@ -20,6 +20,7 @@ export interface INodeVersion {
 interface INodeVersionInfo {
   downloadUrl: string;
   resolvedVersion: string;
+  arch: string;
   fileName: string;
 }