diff --git a/package.json b/package.json
index b480519f99..ad24a1ef19 100644
--- a/package.json
+++ b/package.json
@@ -46,6 +46,7 @@
 		"@types/gulp-util": "3.0.34",
 		"@types/is-root": "1.0.0",
 		"@types/is-svg": "3.0.0",
+		"@types/is-url": "1.2.28",
 		"@types/js-yaml": "3.12.0",
 		"@types/jsdom": "12.2.1",
 		"@types/katex": "0.5.0",
diff --git a/src/@types/is-url.d.ts b/src/@types/is-url.d.ts
deleted file mode 100644
index c1ccadd498..0000000000
--- a/src/@types/is-url.d.ts
+++ /dev/null
@@ -1,7 +0,0 @@
-declare module 'is-url' {
-	function isUrl(string: string): boolean;
-
-	namespace isUrl {} // Hack
-
-	export = isUrl;
-}
diff --git a/src/config/load.ts b/src/config/load.ts
index 57cfb8075c..ba8b4af3ce 100644
--- a/src/config/load.ts
+++ b/src/config/load.ts
@@ -6,7 +6,7 @@ import * as fs from 'fs';
 import { URL } from 'url';
 import * as yaml from 'js-yaml';
 import { Source, Mixin } from './types';
-import * as isUrl from 'is-url';
+import isUrl = require('is-url');
 import * as pkg from '../../package.json';
 
 /**