diff --git a/Gulpfile.js b/Gulpfile.js
index 5c1c608105..e64e30a2f6 100644
--- a/Gulpfile.js
+++ b/Gulpfile.js
@@ -3,6 +3,7 @@ var rename = require("gulp-rename");
 var babel  = require("gulp-babel");
 var watch  = require("gulp-watch");
 var gulp   = require("gulp");
+var path = require("path");
 
 var scripts = "./packages/*/src/**/*.js";
 
@@ -12,8 +13,12 @@ gulp.task("build", function () {
   return gulp.src(scripts)
     .pipe(cached("babel"))
     .pipe(babel())
-    .pipe(rename(function (path) {
-      path.dirname = path.dirname.replace(/^([^\\]+)\/src/, "$1/lib");
+    .pipe(rename(function (file) {
+      console.log("Compiling " + path.join(
+        file.dirname,
+        file.basename + file.extname
+      ));
+      file.dirname = file.dirname.replace(/^([^\\]+)\/src/, "$1/lib");
     }))
     .pipe(gulp.dest("packages"));
 });