diff --git a/lib/dest/writeContents/index.js b/lib/dest/writeContents/index.js
index be759675..24f726e5 100644
--- a/lib/dest/writeContents/index.js
+++ b/lib/dest/writeContents/index.js
@@ -44,12 +44,12 @@ function writeContents(writePath, file, cb) {
       if (err) {
         return complete(err);
       }
-      // octal 7777 = decimal 4095
-      var currentMode = (st.mode & 4095);
-      if (currentMode === file.stat.mode) {
+      var currentMode = (st.mode & parseInt('0777', 8));
+      var expectedMode = (file.stat.mode & parseInt('0777', 8));
+      if (currentMode === expectedMode) {
         return complete();
       }
-      fs.chmod(writePath, file.stat.mode, complete);
+      fs.chmod(writePath, expectedMode, complete);
     });
   }
 
diff --git a/test/dest.js b/test/dest.js
index c678d5f5..424781c5 100644
--- a/test/dest.js
+++ b/test/dest.js
@@ -713,6 +713,56 @@ describe('dest stream', function() {
     stream.end();
   });
 
+  it('should see a file with special chmod (setuid/setgid/sticky) as matching', function(done) {
+    var inputPath = path.join(__dirname, './fixtures/test.coffee');
+    var inputBase = path.join(__dirname, './fixtures/');
+    var expectedPath = path.join(__dirname, './out-fixtures/test.coffee');
+    var expectedContents = fs.readFileSync(inputPath);
+    var expectedCwd = __dirname;
+    var expectedBase = path.join(__dirname, './out-fixtures');
+    var expectedMode = 03722;
+    var normalMode = 0722;
+
+    var expectedFile = new File({
+      base: inputBase,
+      cwd: __dirname,
+      path: inputPath,
+      contents: expectedContents,
+      stat: {
+        mode: normalMode
+      }
+    });
+
+    var expectedCount = 0;
+    spies.setError(function(mod, fn) {
+      if (fn === 'stat' && arguments[2] === expectedPath) {
+        expectedCount++;
+      }
+    });
+
+    var onEnd = function(){
+      expectedCount.should.equal(1);
+      should(chmodSpy.called).be.not.ok;
+      realMode(fs.lstatSync(expectedPath).mode).should.equal(expectedMode);
+      done();
+    };
+
+    fs.mkdirSync(expectedBase);
+    fs.closeSync(fs.openSync(expectedPath, 'w'));
+    fs.chmodSync(expectedPath, expectedMode);
+
+    statSpy.reset();
+    chmodSpy.reset();
+    var stream = vfs.dest('./out-fixtures/', {cwd: __dirname});
+
+    var buffered = [];
+    bufferStream = through.obj(dataWrap(buffered.push.bind(buffered)), onEnd);
+
+    stream.pipe(bufferStream);
+    stream.write(expectedFile);
+    stream.end();
+  });
+
   it('should not overwrite files with overwrite option set to false', function(done) {
     var inputPath = path.join(__dirname, './fixtures/test.coffee');
     var inputBase = path.join(__dirname, './fixtures/');