diff --git a/file2modulename.js b/file2modulename.js
index 1beb1fff37..6f8dbd2aa2 100644
--- a/file2modulename.js
+++ b/file2modulename.js
@@ -1,5 +1,5 @@
 function file2moduleName(filePath) {
-  return filePath
+  return filePath.replace(/\\/g, '/')
     // module name should be relative to `modules` and `tools` folder
     .replace(/.*\/modules\//, '')
     .replace(/.*\/tools\//, '')
diff --git a/gulpfile.js b/gulpfile.js
index 3bb0d5fb8e..5e2006f2be 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -330,7 +330,7 @@ gulp.task('serve', function() {
 });
 
 gulp.task('examples/pub.serve', function(done) {
-  spawn('pub', ['serve'], {cwd: 'build/dart/examples', stdio: 'inherit'})
+  spawn(PUB_CMD, ['serve'], {cwd: 'build/dart/examples', stdio: 'inherit'})
     .on('done', done);
 });