diff --git a/tasks/build/notice.js b/tasks/build/notice.js
index 8523462bc82dc..825a390219e67 100644
--- a/tasks/build/notice.js
+++ b/tasks/build/notice.js
@@ -16,12 +16,21 @@ export default function licenses(grunt) {
         cwd: buildPath
       });
       installedPackages.toString().trim().split('\n').forEach(pkg => {
+        let modulePath;
+        let dirPath;
+        let packageName;
+        let drive;
         const packageDetails = pkg.split(':');
-        const [modulePath, packageName] = packageDetails;
+        if (/^win/.test(process.platform)) {
+          [drive, dirPath, packageName] = packageDetails;
+          modulePath = `${drive}:${dirPath}`;
+        } else {
+          [modulePath, packageName] = packageDetails;
+        }
         const licenses = glob.sync(path.join(modulePath, '*LICENSE*'));
         const notices = glob.sync(path.join(modulePath, '*NOTICE*'));
         packagePaths[packageName] = {
-          relative: modulePath.replace(/.*\/kibana\//, ''),
+          relative: modulePath.replace(/.*(\/|\\)kibana(\/|\\)/, ''),
           licenses,
           notices
         };