diff --git a/weboob/backends/youjizz/backend.py b/weboob/backends/youjizz/backend.py
index 603aeebe..b55fd89f 100644
--- a/weboob/backends/youjizz/backend.py
+++ b/weboob/backends/youjizz/backend.py
@@ -57,5 +57,7 @@ class YoujizzBackend(BaseBackend, ICapVideoProvider):
     def iter_page_urls(self, mozaic_url):
         return self.browser.iter_page_urls(mozaic_url)
 
-    def iter_search_results(self, pattern=None, sortby=None):
+    def iter_search_results(self, pattern=None, sortby=ICapVideoProvider.SEARCH_RELEVANCE, nsfw=False):
+        if not nsfw:
+            return iter(set())
         return self.browser.iter_search_results(pattern)
diff --git a/weboob/backends/youporn/backend.py b/weboob/backends/youporn/backend.py
index 1f2029ae..fa50c909 100644
--- a/weboob/backends/youporn/backend.py
+++ b/weboob/backends/youporn/backend.py
@@ -54,7 +54,9 @@ class YoupornBackend(BaseBackend, ICapVideoProvider):
         return self.browser.get_video(_id)
 
     SORTBY = ['relevance', 'rating', 'views', 'time']
-    def iter_search_results(self, pattern=None, sortby=ICapVideoProvider.SEARCH_RELEVANCE):
+    def iter_search_results(self, pattern=None, sortby=ICapVideoProvider.SEARCH_RELEVANCE, nsfw=False):
+        if not nsfw:
+            return iter(set())
         return self.browser.iter_search_results(pattern, self.SORTBY[sortby])
 
     @need_url
diff --git a/weboob/backends/youtube/backend.py b/weboob/backends/youtube/backend.py
index 5c89dd65..ce8145e3 100644
--- a/weboob/backends/youtube/backend.py
+++ b/weboob/backends/youtube/backend.py
@@ -46,12 +46,12 @@ class YoutubeBackend(BaseBackend, ICapVideoProvider):
     def get_video(self, _id):
         return self.browser.get_video(_id)
 
-    def iter_search_results(self, pattern=None, sortby=ICapVideoProvider.SEARCH_RELEVANCE):
+    def iter_search_results(self, pattern=None, sortby=ICapVideoProvider.SEARCH_RELEVANCE, nsfw=False):
         import gdata.youtube.service
         yt_service = gdata.youtube.service.YouTubeService()
         query = gdata.youtube.service.YouTubeVideoQuery()
         query.orderby = ('relevance', 'rating', 'viewCount', 'published')[sortby]
-        query.racy = 'include'
+        query.racy = 'include' if nsfw else 'exclude'
         if pattern:
             query.categories.extend('/%s' % search_term.lower().encode('utf-8') for search_term in pattern.split())
         feed = yt_service.YouTubeQuery(query)
diff --git a/weboob/capabilities/video.py b/weboob/capabilities/video.py
index 2383b545..dff5f963 100644
--- a/weboob/capabilities/video.py
+++ b/weboob/capabilities/video.py
@@ -48,13 +48,14 @@ class ICapVideoProvider(ICap):
      SEARCH_VIEWS,
      SEARCH_DATE) = range(4)
 
-    def iter_search_results(self, pattern=None, sortby=SEARCH_RELEVANCE):
+    def iter_search_results(self, pattern=None, sortby=SEARCH_RELEVANCE, nsfw=False):
         """
         Iter results of a search on a pattern. Note that if pattern is None,
         it get the latest videos.
 
         @param pattern  [str] pattern to search on
         @param sortby  [enum] sort by...
+        @param pattern  [bool] include non-suitable for work videos if True
         """
         raise NotImplementedError()