diff --git a/docs/integrate-esm.md b/docs/integrate-esm.md
index 47b1d672..61e29b54 100644
--- a/docs/integrate-esm.md
+++ b/docs/integrate-esm.md
@@ -46,6 +46,9 @@ module.exports = {
     rules: [{
       test: /\.css$/,
       use: ['style-loader', 'css-loader']
+    }, {
+      test: /\.ttf$/,
+      use: ['file-loader']
     }]
   },
   plugins: [
@@ -118,6 +121,9 @@ module.exports = {
     rules: [{
       test: /\.css$/,
       use: ['style-loader', 'css-loader']
+    }, {
+      test: /\.ttf$/,
+      use: ['file-loader']
     }]
   }
 };