diff --git a/vinyl-fs/vinyl-fs-tests.ts b/vinyl-fs/vinyl-fs-tests.ts
index c8ca090700..09758e053c 100644
--- a/vinyl-fs/vinyl-fs-tests.ts
+++ b/vinyl-fs/vinyl-fs-tests.ts
@@ -909,4 +909,15 @@ describe('symlink stream', function () {
          stream.end();
       });
    });
+   it('should check if it"s a vinyl file', function () {
+      var srcPath = path.join(__dirname, './fixtures/test.coffee');
+      var options = {
+         path: srcPath,
+         cwd: __dirname,
+         contents: new Buffer("1234567890")
+      };
+      var file = new File(options);
+      File.isVinyl(file).should.equal(true);
+      File.isVinyl(options).should.equal(false);
+   })
 });
diff --git a/vinyl-fs/vinyl-fs.d.ts b/vinyl-fs/vinyl-fs.d.ts
index 70fc32abaa..e068132438 100644
--- a/vinyl-fs/vinyl-fs.d.ts
+++ b/vinyl-fs/vinyl-fs.d.ts
@@ -4,6 +4,7 @@
 // Definitions: https://github.com/borisyankov/DefinitelyTyped
 
 /// <reference path="../node/node.d.ts" />
+/// <reference path="../glob-stream/glob-stream.d.ts" />
 /// <reference path="../vinyl/vinyl.d.ts" />
 
 declare module NodeJS {
@@ -15,8 +16,9 @@ declare module NodeJS {
 declare module "vinyl-fs" {
    import _events = require("events");
    import File = require("vinyl");
+   import globStream = require("glob-stream");
 
-   interface ISrcOptions {
+   interface ISrcOptions extends globStream.Options {
       /** Specifies the working directory the folder is relative to */
       cwd?: string;
 
diff --git a/vinyl/vinyl.d.ts b/vinyl/vinyl.d.ts
index 77bf252b7a..293ce51144 100644
--- a/vinyl/vinyl.d.ts
+++ b/vinyl/vinyl.d.ts
@@ -135,6 +135,11 @@ declare module "vinyl" {
 		 * Returns a pretty String interpretation of the File. Useful for console.log.
 		 */
 		public inspect(): string;
+
+		/**
+		 * Checks if a given object is a vinyl file.
+		 */
+		public static isVinyl(obj: any): boolean;
 	}
 
 	export = File;