diff --git a/index.js b/index.js
index f8b10e7..b9d8594 100644
--- a/index.js
+++ b/index.js
@@ -142,7 +142,7 @@ File.prototype.inspect = function() {
 };
 
 File.isVinyl = function(file) {
-  return file && file._isVinyl === true;
+  return (file && file._isVinyl === true) || false;
 };
 
 // Virtual attributes
diff --git a/test/File.js b/test/File.js
index 04a790d..12c7c4f 100644
--- a/test/File.js
+++ b/test/File.js
@@ -19,7 +19,7 @@ describe('File', function() {
       done();
     });
     it('should return false on a null object', function(done) {
-      File.isVinyl({}).should.equal(false);
+      File.isVinyl(null).should.equal(false);
       done();
     });
   });