diff --git a/contrib/munin/weboob-generic b/contrib/munin/weboob-generic
index 047964bb..f302c1fc 100755
--- a/contrib/munin/weboob-generic
+++ b/contrib/munin/weboob-generic
@@ -298,7 +298,7 @@ class GenericMuninPlugin(object):
                     for id in d:
                         objects.append(d[id])
             else:
-                objects = reversed([a for b, a in self.build_do()])
+                objects = reversed([a for a in self.build_do()])
 
             first = True
             for result in objects: