diff --git a/GPy/inference/optimization/__init__.py b/GPy/inference/optimization/__init__.py
index 1a8f043b..909f897b 100644
--- a/GPy/inference/optimization/__init__.py
+++ b/GPy/inference/optimization/__init__.py
@@ -1,2 +1,2 @@
-from scg import SCG
-from optimization import *
+from .scg import SCG
+from .optimization import *
diff --git a/GPy/inference/optimization/conjugate_gradient_descent.py b/GPy/inference/optimization/conjugate_gradient_descent.py
index 274de784..fc2d8b61 100644
--- a/GPy/inference/optimization/conjugate_gradient_descent.py
+++ b/GPy/inference/optimization/conjugate_gradient_descent.py
@@ -1,7 +1,7 @@
 # Copyright (c) 2012-2014, Max Zwiessele
 # Licensed under the BSD 3-clause license (see LICENSE.txt)
 
-from gradient_descent_update_rules import FletcherReeves, \
+from .gradient_descent_update_rules import FletcherReeves, \
     PolakRibiere
 from Queue import Empty
 from multiprocessing import Value
diff --git a/GPy/inference/optimization/optimization.py b/GPy/inference/optimization/optimization.py
index 600de35d..2179bf5e 100644
--- a/GPy/inference/optimization/optimization.py
+++ b/GPy/inference/optimization/optimization.py
@@ -10,7 +10,7 @@ try:
     rasm_available = True
 except ImportError:
     rasm_available = False
-from scg import SCG
+from .scg import SCG
 
 class Optimizer():
     """