diff --git a/contrib/downloadboob/downloadboob.py b/contrib/downloadboob/downloadboob.py
index a343a0ed..b9eb6313 100755
--- a/contrib/downloadboob/downloadboob.py
+++ b/contrib/downloadboob/downloadboob.py
@@ -51,7 +51,7 @@ def removeSpecial(s):
 DOWNLOAD_DIRECTORY=".files"
 
 
-class Downloadboob:
+class Downloadboob(object):
 
     def __init__(self, backend_name, download_directory, links_directory):
         self.download_directory = download_directory
diff --git a/modules/cmb/hellhttp.py b/modules/cmb/hellhttp.py
index 56c445ac..68a05e97 100644
--- a/modules/cmb/hellhttp.py
+++ b/modules/cmb/hellhttp.py
@@ -74,7 +74,7 @@ class HTTPSVerifiedConnection(httplib.HTTPSConnection):
                 raise ssl.SSLError(1, "Call back verification failed")
 
 
-class HellHTTPS:
+class HellHTTPS(object):
     "This class is the library used by the weboob's CMB module"
 
     def __init__(self, host, port=None, proxy=None, proxy_port=None,
diff --git a/modules/cragr/mobile/pages/tokenextractor.py b/modules/cragr/mobile/pages/tokenextractor.py
index d5997023..f2f2addd 100644
--- a/modules/cragr/mobile/pages/tokenextractor.py
+++ b/modules/cragr/mobile/pages/tokenextractor.py
@@ -18,7 +18,7 @@
 # along with weboob. If not, see <http://www.gnu.org/licenses/>.
 
 
-class TokenExtractor:
+class TokenExtractor(object):
     """ Extracts texts token from an HTML document """
     def __init__(self):
         self.iterated_elements = []