From 73cb20afb04a95f6d4e68e30d6c93ce113d2ff87 Mon Sep 17 00:00:00 2001
From: James Hensman <james.hensman@gmail.com>
Date: Mon, 10 Mar 2014 11:19:57 +0000
Subject: [PATCH] bugfix

---
 GPy/kern/_src/add.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/GPy/kern/_src/add.py b/GPy/kern/_src/add.py
index a5ca9a59..28250e06 100644
--- a/GPy/kern/_src/add.py
+++ b/GPy/kern/_src/add.py
@@ -46,7 +46,7 @@ class Add(Kern):
             [p.update_gradients_full(dL_dK, X[:,i_s], X2[:, i_s]) for p, i_s in zip(self._parameters_, self.input_slices)]
 
     def update_gradients_diag(self, dL_dKdiag, X):
-        [p.update_gradients_diag(dL_dK, X[:,i_s]) for p, i_s in zip(self._parameters_, self.input_slices)]
+        [p.update_gradients_diag(dL_dKdiag, X[:,i_s]) for p, i_s in zip(self._parameters_, self.input_slices)]
 
     def gradients_X(self, dL_dK, X, X2=None):
         """Compute the gradient of the objective function with respect to X.