diff --git a/VERSION b/VERSION
index 7458e92d..0e6dd552 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-Version 2.4.6-stable+timestamp.2013.04.19.23.45.56
+Version 2.4.6-stable+timestamp.2013.04.21.19.50.11
diff --git a/gluon/contrib/imageutils.py b/gluon/contrib/imageutils.py
index 594fe521..ec40760d 100644
--- a/gluon/contrib/imageutils.py
+++ b/gluon/contrib/imageutils.py
@@ -51,7 +51,7 @@ def THUMB(image, nx=120, ny=120, gae=False, name='thumb'):
             request = current.request
             from PIL import Image
             import os
-            img = Image.open(request.folder + 'uploads/' + image)
+            img = Image.open(os.path.join(request.folder,'uploads',image))
             img.thumbnail((nx, ny), Image.ANTIALIAS)
             root, ext = os.path.splitext(image)
             thumb = '%s_%s%s' % (root, name, ext)