diff --git a/GPy/models/mrd.py b/GPy/models/mrd.py
index a31b044f..75c6fee9 100644
--- a/GPy/models/mrd.py
+++ b/GPy/models/mrd.py
@@ -78,7 +78,7 @@ class MRD(Model):
         self.NQ = self.num_data * self.input_dim
         self.MQ = self.num_inducing * self.input_dim
 
-        super(MRD, self).__init__()
+        Model.__init__(self)
         self._set_params(self._get_params())
 
     @property