diff --git a/lib/monitor/watch.js b/lib/monitor/watch.js
index 70657745..77d3c217 100644
--- a/lib/monitor/watch.js
+++ b/lib/monitor/watch.js
@@ -46,7 +46,7 @@ function watch() {
 
       // don't ignore dotfiles if explicitly watched.
       if (!dir.match(dotFilePattern)) {
-        ignored = new RegExp(ignored.source + dotFilePattern.source);
+        ignored = [ignored, dotFilePattern];
       }
 
       var watcher = chokidar.watch(dir, {