diff --git a/index.js b/index.js
index 4b5a33b..c8061a0 100644
--- a/index.js
+++ b/index.js
@@ -232,10 +232,12 @@
 	 * @example
 	 *    import Chinotto from "./lib/index.mjs";
 	 *    Chinotto.register();
+	 * @return {Object}
 	 */
 	function register(){
 		for(const [names, fn] of methods)    addMethod(names, fn);
 		for(const [names, fn] of properties) addProperty(names, fn);
+		return this;
 	}
 	
 	
diff --git a/karma.conf.js b/karma.conf.js
index d3cecb8..b425ea1 100644
--- a/karma.conf.js
+++ b/karma.conf.js
@@ -9,6 +9,7 @@ module.exports = karma => {
 		files: [
 			"node_modules/chai/chai.js",
 			"index.js",
+			"register.js",
 			"test/dom-spec.js",
 		],
 		preprocessors: {
diff --git a/package.json b/package.json
index a33d879..7e3bf29 100644
--- a/package.json
+++ b/package.json
@@ -7,7 +7,7 @@
 	"repository": "https://github.com/Alhadis/Chinotto",
 	"license": "ISC",
 	"engines": {"node": ">=8.0.0"},
-	"files": ["index.js"],
+	"files": ["index.js", "register.js"],
 	"dependencies": {"chai": "*"},
 	"devDependencies": {
 		"eslint":                 "^6.3.0",
@@ -32,6 +32,9 @@
 		"all": true,
 		"clean": false,
 		"reporter": "text",
-		"include": ["index.js"]
+		"include": [
+			"index.js",
+			"register.js"
+		]
 	}
 }
diff --git a/register.js b/register.js
new file mode 100644
index 0000000..e5eb77c
--- /dev/null
+++ b/register.js
@@ -0,0 +1,3 @@
+"use strict";
+const main = ("object" === typeof global ? global : self);
+main.Chinotto = (main.Chinotto || require("./index.js")).register();
diff --git a/test/dom-spec.js b/test/dom-spec.js
index 1ad618b..aed592c 100644
--- a/test/dom-spec.js
+++ b/test/dom-spec.js
@@ -22,7 +22,7 @@ describe("DOM-specific extensions", () => {
 		};
 	}
 	
-	before(() => (isBrowser ? window.Chinotto : require("../index.js")).register());
+	before(() => isBrowser || require("../register.js"));
 	
 	afterEach(() => [...document.body.childNodes].forEach(child => {
 		if(Node.ELEMENT_NODE !== child.nodeType || !child.matches("#mocha"))
diff --git a/test/filesystem-spec.js b/test/filesystem-spec.js
index 279274f..b360e45 100644
--- a/test/filesystem-spec.js
+++ b/test/filesystem-spec.js
@@ -9,7 +9,7 @@ describe("Filesystem-related extensions", () => {
 	const tmp = path.join(__dirname, "tmp");
 	
 	before("Creating fixture directory", () => fs.existsSync(tmp) || fs.mkdirSync(tmp));
-	before("Loading extensions",         () => require("../index.js").register());
+	before("Loading extensions",         () => require("../register.js"));
 	after("Emptying fixture directory",  () => {
 		for(const file of fs.readdirSync(tmp))
 			fs.unlinkSync(path.join(tmp, file));
diff --git a/test/utils-spec.js b/test/utils-spec.js
index c179fe2..c274081 100644
--- a/test/utils-spec.js
+++ b/test/utils-spec.js
@@ -6,6 +6,8 @@ const {AssertionError} = Chai;
 
 
 describe("Utility functions", () => {
+	before("Loading extensions", () => require("../register.js"));
+	
 	describe("addMethod()", () => {
 		const {addMethod} = Chinotto;