diff --git a/types/index.d.ts b/types/index.d.ts
index 6d2c710..7505746 100644
--- a/types/index.d.ts
+++ b/types/index.d.ts
@@ -4,7 +4,7 @@
 export const enum Level {
 	None = 0,
 	Basic = 1,
-	Extended = 2,
+	Ansi256 = 2,
 	TrueColor = 3
 }
 
@@ -14,8 +14,8 @@ export interface ChalkOptions {
 }
 
 export interface Chalk {
-	new (options: ChalkOptions): Chalk;
-	(options: ChalkOptions): Chalk;
+	new (options?: ChalkOptions): Chalk;
+	(options?: ChalkOptions): Chalk;
 	(...text: string[]): string;
 	(text: TemplateStringsArray, ...placeholders: string[]): string;
 	constructor: Chalk;
diff --git a/types/test.ts b/types/test.ts
index fad1ae4..01509fd 100644
--- a/types/test.ts
+++ b/types/test.ts
@@ -24,9 +24,13 @@ ctx`foo`;
 
 chalk.enabled = true;
 chalk.level = 1;
-chalk.level = Level.Extended;
+chalk.level = Level.Ansi256;
 
-chalk.level === Level.Extended;
+chalk.level === Level.Ansi256;
+
+let chalkInstance = new chalk();
+chalkInstance = new chalk.constructor();
+chalkInstance = chalk.constructor();
 
 chalk.enabled;
 chalk.level;
diff --git a/types/tsconfig.json b/types/tsconfig.json
index af436cc..b73840f 100644
--- a/types/tsconfig.json
+++ b/types/tsconfig.json
@@ -1,9 +1,9 @@
 {
 	"compilerOptions": {
-			"module": "commonjs",
-			"target": "es6",
-			"noImplicitAny": true,
-			"noEmit": true,
-			"allowJs": true
+		"module": "commonjs",
+		"target": "es6",
+		"noImplicitAny": true,
+		"noEmit": true,
+		"allowJs": true
 	}
 }