diff --git a/media/browser/admin.py b/media/browser/admin.py
index ce13d83..61d87b0 100644
--- a/media/browser/admin.py
+++ b/media/browser/admin.py
@@ -27,6 +27,7 @@ $Id$
 from logging import getLogger
 import traceback
 from zope import component
+from zope.security.proxy import removeSecurityProxy
 
 from cybertools.media.interfaces import IMediaAsset
 
@@ -56,3 +57,22 @@ class RegenerationView(object):
         if errors:
             return 'Done - there were %i errors.' % errors
         return 'Done.'
+
+
+class ChangeSubdirectories(object):
+
+    search = '/home/Zope3/ctt'
+    replace = ''
+
+    def __call__(self):
+        found = changed = 0
+        context = removeSecurityProxy(self.context)
+        ma = context['concepts']['media_asset']
+        for obj in ma.getResources():
+            found += 1
+            subdir = obj._storageParams.get('subdirectory', '')
+            print subdir
+            if self.search in subdir:
+                changed += 1
+                obj._storageParams['subdirectory'] = subdir.replace(search, replace)
+        return 'Done, %i media asset objects found, %i changed' % (found, changed)
diff --git a/media/browser/configure.zcml b/media/browser/configure.zcml
index 56eb95e..30d10f6 100644
--- a/media/browser/configure.zcml
+++ b/media/browser/configure.zcml
@@ -27,4 +27,9 @@
         class="loops.media.browser.admin.RegenerationView"
         permission="zope.View" />
 
+  <page for="loops.interfaces.ILoops"
+        name="media_assets_change_subdirectories.html"
+        class="loops.media.browser.admin.ChangeSubdirectories"
+        permission="zope.View" />
+
 </configure>