diff --git a/GPy/likelihoods/EP.py b/GPy/likelihoods/EP.py
index 5b538b92..9f410bc1 100644
--- a/GPy/likelihoods/EP.py
+++ b/GPy/likelihoods/EP.py
@@ -110,7 +110,7 @@ class EP(likelihood):
                 self.tau_[i] = 1./Sigma[i,i] - self.eta*self.tau_tilde[i]
                 self.v_[i] = mu[i]/Sigma[i,i] - self.eta*self.v_tilde[i]
                 #Marginal moments
-                self.Z_hat[i], mu_hat[i], sigma2_hat[i] = self.likelihood_function.moments_match(self.data[i],self.tau_[i],self.v_[i])
+                self.Z_hat[i], mu_hat[i], sigma2_hat[i] = self.likelihood_function.moments_match(self._transf_data[i],self.tau_[i],self.v_[i])
                 #Site parameters update
                 Delta_tau = self.delta/self.eta*(1./sigma2_hat[i] - 1./Sigma[i,i])
                 Delta_v = self.delta/self.eta*(mu_hat[i]/sigma2_hat[i] - mu[i]/Sigma[i,i])
@@ -200,7 +200,7 @@ class EP(likelihood):
                 self.tau_[i] = 1./Sigma_diag[i] - self.eta*self.tau_tilde[i]
                 self.v_[i] = mu[i]/Sigma_diag[i] - self.eta*self.v_tilde[i]
                 #Marginal moments
-                self.Z_hat[i], mu_hat[i], sigma2_hat[i] = self.likelihood_function.moments_match(self.data[i],self.tau_[i],self.v_[i])
+                self.Z_hat[i], mu_hat[i], sigma2_hat[i] = self.likelihood_function.moments_match(self._transf_data[i],self.tau_[i],self.v_[i])
                 #Site parameters update
                 Delta_tau = self.delta/self.eta*(1./sigma2_hat[i] - 1./Sigma_diag[i])
                 Delta_v = self.delta/self.eta*(mu_hat[i]/sigma2_hat[i] - mu[i]/Sigma_diag[i])
@@ -295,7 +295,7 @@ class EP(likelihood):
                 self.tau_[i] = 1./Sigma_diag[i] - self.eta*self.tau_tilde[i]
                 self.v_[i] = mu[i]/Sigma_diag[i] - self.eta*self.v_tilde[i]
                 #Marginal moments
-                self.Z_hat[i], mu_hat[i], sigma2_hat[i] = self.likelihood_function.moments_match(self.data[i],self.tau_[i],self.v_[i])
+                self.Z_hat[i], mu_hat[i], sigma2_hat[i] = self.likelihood_function.moments_match(self._transf_data[i],self.tau_[i],self.v_[i])
                 #Site parameters update
                 Delta_tau = self.delta/self.eta*(1./sigma2_hat[i] - 1./Sigma_diag[i])
                 Delta_v = self.delta/self.eta*(mu_hat[i]/sigma2_hat[i] - mu[i]/Sigma_diag[i])