diff --git a/src/CharWidth.ts b/src/CharWidth.ts
index 5a484da82c..fd6ac55f9e 100644
--- a/src/CharWidth.ts
+++ b/src/CharWidth.ts
@@ -1,10 +1,10 @@
-import { fill } from './core/TypedArrayUtils';
-
 /**
  * Copyright (c) 2016 The xterm.js authors. All rights reserved.
  * @license MIT
  */
 
+import { fill } from './core/TypedArrayUtils';
+
 export const wcwidth = (function(opts: {nul: number, control: number}): (ucs: number) => number {
   // extracted from https://www.cl.cam.ac.uk/%7Emgk25/ucs/wcwidth.c
   // combining characters