diff --git a/test/test-79-npm/main.js b/test/test-79-npm/main.js
index 303ffcdb..2d37b080 100644
--- a/test/test-79-npm/main.js
+++ b/test/test-79-npm/main.js
@@ -131,7 +131,7 @@ if (!UPM) {
 const inputs = globSync([process.env.FILTER || '*/*.js'], {
   absolute: true,
   ignore: ['*/*.config.js', '*/*.meta.js', '*/gulpfile.js', '*/*fixture*'],
-});
+}).map((p) => path.normalize(p));
 
 let times = {};
 const ci = process.env.CI;