diff --git a/types/script-ext-html-webpack-plugin/index.d.ts b/types/script-ext-html-webpack-plugin/index.d.ts
index 636ac550e5..11371734d6 100644
--- a/types/script-ext-html-webpack-plugin/index.d.ts
+++ b/types/script-ext-html-webpack-plugin/index.d.ts
@@ -4,12 +4,14 @@
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
 // TypeScript Version: 2.3
 
-import { Plugin } from "webpack";
+import { Compiler, Plugin } from 'webpack';
 
 export = ScriptExtHtmlWebpackPlugin;
 
 declare class ScriptExtHtmlWebpackPlugin extends Plugin {
     constructor(options?: ScriptExtHtmlWebpackPlugin.Options);
+
+    apply(compiler: Compiler): void;
 }
 
 type ScriptMatchingPatternBase =
diff --git a/types/script-ext-html-webpack-plugin/script-ext-html-webpack-plugin-tests.ts b/types/script-ext-html-webpack-plugin/script-ext-html-webpack-plugin-tests.ts
index 84c42b2ae9..34b8074e01 100644
--- a/types/script-ext-html-webpack-plugin/script-ext-html-webpack-plugin-tests.ts
+++ b/types/script-ext-html-webpack-plugin/script-ext-html-webpack-plugin-tests.ts
@@ -1,8 +1,11 @@
 import ScriptExtHtmlWebpackPlugin = require("script-ext-html-webpack-plugin");
+import webpack = require("webpack");
 
 new ScriptExtHtmlWebpackPlugin();
 new ScriptExtHtmlWebpackPlugin({});
 
+new ScriptExtHtmlWebpackPlugin().apply(new webpack.Compiler());
+
 new ScriptExtHtmlWebpackPlugin({
     inline: "string",
     sync: "string",