diff --git a/types/chai/index.d.ts b/types/chai/index.d.ts
index 43acad105a..4582e884b1 100644
--- a/types/chai/index.d.ts
+++ b/types/chai/index.d.ts
@@ -10,6 +10,7 @@
 //                 Gintautas Miselis <https://github.com/Naktibalda>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
 
+/// <reference types="node" />
 // <reference types="assertion-error"/>
 
 declare namespace Chai {
@@ -1651,10 +1652,10 @@ declare namespace Chai {
 
 declare const chai: Chai.ChaiStatic;
 
-declare module "chai" {
-    export = chai;
-}
+export = chai;
 
-interface Object {
-    should: Chai.Assertion;
+declare global {
+    interface Object {
+        should: Chai.Assertion;
+    }
 }
diff --git a/types/chai/tslint.json b/types/chai/tslint.json
index e7ca9e57c7..9e219ef9a8 100644
--- a/types/chai/tslint.json
+++ b/types/chai/tslint.json
@@ -9,7 +9,6 @@
         "no-empty-interface": false,
         "no-inferrable-types": false,
         "no-redundant-jsdoc-2": false,
-        "no-single-declare-module": false,
         "no-unnecessary-class": false,
         "no-unnecessary-generics": false,
         "prefer-const": false,