diff --git a/GPy/core/sparse_gp.py b/GPy/core/sparse_gp.py
index 37e6a341..3183cff0 100644
--- a/GPy/core/sparse_gp.py
+++ b/GPy/core/sparse_gp.py
@@ -236,7 +236,7 @@ class SparseGP(GPBase):
         else:
             # assert which_p.Tarts=='all', "swithching out parts of variational kernels is not implemented"
             Kx = self.kern.psi1(self.Z, Xnew, X_variance_new) # , which_parts=which_parts) TODO: which_parts
-            mu = np.dot(Kx.T, self.Cpsi1V)
+            mu = np.dot(Kx, self.Cpsi1V)
             if full_cov:
                 raise NotImplementedError, "TODO"
             else: