diff --git a/VERSION b/VERSION
index 811a53c6..28fef7d1 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-Version 1.99.4 (2012-02-21 14:03:59) stable
+Version 1.99.4 (2012-02-21 16:25:39) stable
diff --git a/gluon/tools.py b/gluon/tools.py
index 2ab7a37f..0f176dc4 100644
--- a/gluon/tools.py
+++ b/gluon/tools.py
@@ -4151,7 +4151,7 @@ class Expose(object):
     def __init__(self,base=None):
         current.session.forget()
         base = base or os.path.join(current.request.folder,'static','work')
-        filename = os.path.join(base,'/'.join(current.request.args))
+        filename = os.path.join(base,*current.request.args)
         if not os.path.isdir(filename):
             current.response.headers['Content-Type'] = contenttype(filename)
             raise HTTP(200,open(filename,'rb'),**current.response.headers)