diff --git a/imagine/likelihoods/simple_likelihood/simple_likelihood.py b/imagine/likelihoods/simple_likelihood/simple_likelihood.py
index 002f1c6443b4c1b4cff6bd261d31b2b0557a6d9e..1a85ea8f6256959e6e8ffdeb2cc87929d88f86a9 100644
--- a/imagine/likelihoods/simple_likelihood/simple_likelihood.py
+++ b/imagine/likelihoods/simple_likelihood/simple_likelihood.py
@@ -8,7 +8,7 @@ from imagine.likelihoods.likelihood import Likelihood
 
 class SimpleLikelihood(Likelihood):
     def __init__(self, measured_data, data_covariance=None):
-        self.measured_data = measured_data
+        self.measured_data = self._strip_data(measured_data)
         if isinstance(data_covariance, Field):
             data_covariance = data_covariance.val.get_full_data()
         self.data_covariance = data_covariance