diff --git a/gulpfile.js b/gulpfile.js
index 292f3c1..6179833 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -14,6 +14,7 @@ gulp.task('scripts', function() {
   var js_files = [
     './src/js/codemirror/codemirror.js',
     './src/js/codemirror/continuelist.js',
+    './src/codemirror/fullscreen.js',
     './src/js/codemirror/markdown.js',
     './src/js/codemirror/overlay.js',
     './src/js/codemirror/gfm.js',