diff --git a/external/importL10n/locales.js b/external/importL10n/locales.js
index 089209c4b..de0fa2729 100644
--- a/external/importL10n/locales.js
+++ b/external/importL10n/locales.js
@@ -82,10 +82,13 @@ function downloadLanguageFiles(root, langCode, callback) {
   });
 }
 
-function downloadL10n(root) {
+function downloadL10n(root, callback) {
   var i = 0;
   (function next() {
     if (i >= langCodes.length) {
+      if (callback) {
+        callback();
+      }
       return;
     }
     downloadLanguageFiles(root, langCodes[i++], next);
diff --git a/gulpfile.js b/gulpfile.js
index bf77da260..3bc39b871 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -51,7 +51,7 @@ gulp.task('default', function() {
   });
 });
 
-gulp.task('server', function () {
+gulp.task('server', function (done) {
   console.log();
   console.log('### Starting local server');
 
@@ -80,7 +80,7 @@ gulp.task('makefile', function () {
     .pipe(gulp.dest('.'));
 });
 
-gulp.task('importl10n', function() {
+gulp.task('importl10n', function(done) {
   var locales = require('./external/importL10n/locales.js');
 
   console.log();
@@ -89,7 +89,7 @@ gulp.task('importl10n', function() {
   if (!fs.existsSync(L10N_DIR)) {
     fs.mkdirSync(L10N_DIR);
   }
-  locales.downloadL10n(L10N_DIR);
+  locales.downloadL10n(L10N_DIR, done);
 });
 
 // Getting all shelljs registered tasks and register them with gulp