diff --git a/resources/recipes/ibm_smarter_planet.recipe b/resources/recipes/ibm_smarter_planet.recipe
index 2e5c46fb80..44978142f6 100644
--- a/resources/recipes/ibm_smarter_planet.recipe
+++ b/resources/recipes/ibm_smarter_planet.recipe
@@ -5,6 +5,7 @@ class AdvancedUserRecipe1293122276(BasicNewsRecipe):
     __author__ = 'Jack Mason'
     author  = 'IBM Global Business Services'
     publisher             = 'IBM'
+    language = 'en'
     category              = 'news, technology, IT, internet of things, analytics'
     oldest_article = 7
     max_articles_per_feed = 30
diff --git a/resources/recipes/karlsruhe.recipe b/resources/recipes/karlsruhe.recipe
index c0bc5369f1..182d8e532b 100644
--- a/resources/recipes/karlsruhe.recipe
+++ b/resources/recipes/karlsruhe.recipe
@@ -6,6 +6,7 @@ class KANewsRecipe(BasicNewsRecipe):
     description = u'Nachrichten aus Karlsruhe, Deutschland und der Welt.'
     __author__ = 'tfeld'
     lang='de'
+    language = 'de'
     no_stylesheets = True
 
     oldest_article = 7
diff --git a/resources/recipes/kath_net.recipe b/resources/recipes/kath_net.recipe
index 7c469adbe8..933876c2a8 100644
--- a/resources/recipes/kath_net.recipe
+++ b/resources/recipes/kath_net.recipe
@@ -4,6 +4,7 @@ class AdvancedUserRecipe1295262156(BasicNewsRecipe):
     title          = u'kath.net'
     __author__     = 'Bobus'
     oldest_article = 7
+    language = 'en'
     max_articles_per_feed = 100
 
     feeds          = [(u'kath.net', u'http://www.kath.net/2005/xml/index.xml')]
diff --git a/resources/recipes/nationalgeographic.recipe b/resources/recipes/nationalgeographic.recipe
index f00c9206bd..44aac314f9 100644
--- a/resources/recipes/nationalgeographic.recipe
+++ b/resources/recipes/nationalgeographic.recipe
@@ -10,6 +10,7 @@ import re
 class NationalGeographicNews(BasicNewsRecipe):
     title          = u'National Geographic News'
     oldest_article = 7
+    language = 'en'
     max_articles_per_feed = 100
     remove_javascript = True
     no_stylesheets = True