diff --git a/examples/core_examples/multidimensional_gaussian.py b/examples/core_examples/multidimensional_gaussian.py
index 451afe3e06b8c6904de63b4991a34225d850b14c..c0078d50bb7e1e9b203b6b547b1822f8f46f8d87 100644
--- a/examples/core_examples/multidimensional_gaussian.py
+++ b/examples/core_examples/multidimensional_gaussian.py
@@ -33,6 +33,7 @@ class MultidimGaussianLikelihood(bilby.Likelihood):
         """
 
     def __init__(self, data, dim):
+        super().__init__()
         self.dim = dim
         self.data = np.array(data)
         self.N = len(data)