diff --git a/test/stats-uid-gid.js b/test/stats-uid-gid.js
index 58ce661..11d6b84 100644
--- a/test/stats-uid-gid.js
+++ b/test/stats-uid-gid.js
@@ -14,9 +14,7 @@ fs.statSync = function(path) {
 
 var gfs = require('../graceful-fs.js')
 
-test('graceful fs uses same stats constructor as fs', function (t) {
-  t.equal(gfs.Stats, fs.Stats, 'should reference the same constructor')
-
+test('graceful fs includes correct uid & gid', function (t) {
   if (!process.env.TEST_GRACEFUL_FS_GLOBAL_PATCH) {
     t.equal(fs.statSync(__filename).uid, -2)
     t.equal(fs.statSync(__filename).gid, -2)
@@ -28,6 +26,16 @@ test('graceful fs uses same stats constructor as fs', function (t) {
   t.end()
 })
 
+;(process.platform !== 'win32') && test('graceful fs includes valid uid & gid (async)', function (t) {
+  gfs.stat(__filename, function (er, stats) {
+    t.notOk(er)
+    t.ok(stats)
+    t.ok(stats.uid)
+    t.ok(stats.gid)
+    t.end()
+  })
+})
+
 test('does not throw when async stat fails', function (t) {
   gfs.stat(__filename + ' this does not exist', function (er, stats) {
     t.ok(er)
diff --git a/test/stats.js b/test/stats.js
index 4519012..a7cbfea 100644
--- a/test/stats.js
+++ b/test/stats.js
@@ -5,8 +5,17 @@ var gfs = require('../graceful-fs.js')
 test('graceful fs uses same stats constructor as fs', function (t) {
   t.equal(gfs.Stats, fs.Stats, 'should reference the same constructor')
   t.ok(fs.statSync(__filename) instanceof fs.Stats,
-    'should be instance of fs.Stats')
+    'should be instance of fs.Stats (built-in fs.statSync call)')
   t.ok(gfs.statSync(__filename) instanceof fs.Stats,
     'should be instance of fs.Stats')
   t.end()
 })
+
+test('graceful fs uses same stats constructor as fs (async)', function (t) {
+  gfs.stat(__filename, function (er, stats) {
+    t.notOk(er, 'should not receive an error result')
+    t.ok(stats, 'should receive a valid stats object')
+    t.ok(stats instanceof fs.Stats, 'should receive a valid stats object')
+    t.end()
+  })
+})