diff --git a/lib/watcher.js b/lib/watcher.js
index f5de7e99b..9c55f6782 100644
--- a/lib/watcher.js
+++ b/lib/watcher.js
@@ -8,9 +8,9 @@ var DIR_SEP = require('path').sep;
 
 // Get parent folder, that be watched (does not contain any special globbing character)
 var baseDirFromPattern = function(pattern) {
-  return pattern.replace(/\/[^\/]*\*.*$/, '')           // remove parts with *
-                .replace(/\/[^\/]*[\!\+]\(.*$/, '')     // remove parts with !(...) and +(...)
-                .replace(/\/[^\/]*\)\?.*$/, '') || '/'; // remove parts with (...)?
+  return pattern.replace(/[\/\\][^\/\\]*\*.*$/, '')           // remove parts with *
+                .replace(/[\/\\][^\/\\]*[\!\+]\(.*$/, '')     // remove parts with !(...) and +(...)
+                .replace(/[\/\\][^\/\\]*\)\?.*$/, '') || DIR_SEP; // remove parts with (...)?
 };
 
 var watchPatterns = function(patterns, watcher) {