diff --git a/weboob/backends/aum/browser.py b/weboob/backends/aum/browser.py
index 90e01af9..6b87aa8c 100644
--- a/weboob/backends/aum/browser.py
+++ b/weboob/backends/aum/browser.py
@@ -20,7 +20,10 @@ import datetime
 import time
 from logging import warning
 import random
-import simplejson
+try:
+    import json as simplejson
+except ImportError:
+    import simplejson
 import urllib
 
 from weboob.tools.browser import BaseBrowser