diff --git a/lib/wrench.js b/lib/wrench.js
index 18fa706..13514d0 100644
--- a/lib/wrench.js
+++ b/lib/wrench.js
@@ -183,7 +183,7 @@ exports.copyDirSyncRecursive = function(sourceDir, newDirLocation, opts) {
     var files = fs.readdirSync(sourceDir);
 
     for(var i = 0; i < files.length; i++) {
-        if (opts.excludeHidden && /^\./.test(files[i])) continue;
+        if (opts.excludeHiddenUnix && /^\./.test(files[i])) continue;
 
         var currFile = fs.lstatSync(sourceDir + "/" + files[i]);
 
diff --git a/tests/copydirsync_unix.js b/tests/copydirsync_unix.js
index d8e85db..59949a8 100644
--- a/tests/copydirsync_unix.js
+++ b/tests/copydirsync_unix.js
@@ -40,7 +40,7 @@ module.exports = testCase({
         test.ok(path.existsSync(dir), 'Folders should exist');
 
         wrench.mkdirSyncRecursive(testdir, 0777);
-        wrench.copyDirSyncRecursive(dir, testdir, { excludeHidden: false });
+        wrench.copyDirSyncRecursive(dir, testdir, { excludeHiddenUnix: false });
 
         var files = wrench.readdirSyncRecursive(testdir);
 
@@ -57,7 +57,7 @@ module.exports = testCase({
         test.ok(path.existsSync(dir), 'Folders should exist');
 
         wrench.mkdirSyncRecursive(testdir, 0777);
-        wrench.copyDirSyncRecursive(dir, testdir, { excludeHidden: true });
+        wrench.copyDirSyncRecursive(dir, testdir, { excludeHiddenUnix: true });
 
         var files = wrench.readdirSyncRecursive(testdir);