diff --git a/mrblib/dir.rb b/mrblib/dir.rb
index e00f8290a..065ca1c22 100644
--- a/mrblib/dir.rb
+++ b/mrblib/dir.rb
@@ -46,7 +46,7 @@ class Dir
       wd = self.getwd
       begin
         self._chdir(path)
-        block.call
+        block.call(path)
       ensure
         my._chdir(wd)
       end