diff --git a/modules/youjizz/pages/index.py b/modules/youjizz/pages/index.py
index fa2adb3e..b15111f5 100644
--- a/modules/youjizz/pages/index.py
+++ b/modules/youjizz/pages/index.py
@@ -23,6 +23,7 @@ import re
 from weboob.tools.browser2 import HTMLPage
 from weboob.tools.browser2.page import ListElement, method, ItemElement
 from weboob.tools.browser2.filters import Filter, Link, CleanText, Duration
+from weboob.capabilities.base import NotAvailable
 from weboob.capabilities.image import BaseImage
 from weboob.capabilities.video import BaseVideo
 
@@ -46,7 +47,7 @@ class IndexPage(HTMLPage):
 
             obj_id = Id(Link('.//a'))
             obj_title = CleanText('.//span[@id="title1"]')
-            obj_duration = Duration(CleanText('.//span[@class="thumbtime"]//span'))
+            obj_duration = Duration(CleanText('.//span[@class="thumbtime"]//span'), default=NotAvailable)
             obj_nsfw = True
 
             def obj_thumbnail(self):
diff --git a/weboob/tools/browser2/filters.py b/weboob/tools/browser2/filters.py
index da6629c3..f4786a54 100644
--- a/weboob/tools/browser2/filters.py
+++ b/weboob/tools/browser2/filters.py
@@ -260,6 +260,10 @@ class Time(Filter):
     regexp = re.compile(ur'(?P<hh>\d+):?(?P<mm>\d+)(:(?P<ss>\d+))?')
     kwargs = {'hour': 'hh', 'minute': 'mm', 'second': 'ss'}
 
+    def __init__(self, selector, default=_NO_DEFAULT):
+        super(Time, self).__init__(selector)
+        self.default = default
+
     def filter(self, txt):
         m = self.regexp.search(txt)
         if m:
@@ -268,6 +272,11 @@ class Time(Filter):
                 kwargs[key] = int(m.groupdict()[index] or 0)
             return self.klass(**kwargs)
 
+        if self.default is not _NO_DEFAULT:
+            return self.default
+        else:
+            raise ValueError('Unable to find time in %r' % txt)
+
 
 class Duration(Time):
     klass = datetime.timedelta