diff --git a/classnames/classnames.d.ts b/classnames/classnames.d.ts
index 820043686..22ab1858a 100644
--- a/classnames/classnames.d.ts
+++ b/classnames/classnames.d.ts
@@ -1,13 +1,18 @@
 // Type definitions for classnames
 // Project: https://github.com/JedWatson/classnames
-// Definitions by: Dave Keen <http://www.keendevelopment.ch>
+// Definitions by: Dave Keen <http://www.keendevelopment.ch>, Adi Dahiya <https://github.com/adidahiya>
 // Definitions: https://github.com/borisyankov/DefinitelyTyped
 
 interface ClassDictionary {
 	[id: string]: boolean;
 }
 
+interface ClassNamesFn {
+	(...classes: (string | ClassDictionary)[]): string;
+}
+
+declare var classNames: ClassNamesFn;
+
 declare module "classnames" {
-	function classNames(...classes: (string|ClassDictionary)[]): string;
 	export = classNames
-}
\ No newline at end of file
+}