diff --git a/lib/walk.js b/lib/walk.js
index 5209198..8e34fd8 100644
--- a/lib/walk.js
+++ b/lib/walk.js
@@ -35,6 +35,7 @@
     me._wq = [];
     me._wqueue = [me._wq];
     me._wcurpath = undefined;
+    me._wasyncFilters = options.asyncFilters;
     me._wfirstrun = true;
     me._wcurpath = pathname;
 
@@ -187,6 +188,17 @@
     var me = this
       ;
 
+    // Stop directories that contain filter keywords
+    // from continuing through the walk process
+    if (me._wasyncFilters != undefined) {
+      var shouldExclude = false;
+      for (var iFilter=0; iFilter<me._wasyncFilters.length; ++iFilter) {
+        if (me._wcurpath.indexOf(me._wasyncFilters[iFilter]) != -1 ) {
+          me._wNext();
+        }
+      }
+    }
+
     // TODO how to remove this anony?
     fs.readdir(me._wcurpath, function (err, files) {
       me._wReaddirHandler(err, files);