diff --git a/GPy/util/__init__.py b/GPy/util/__init__.py
index 1666fa35..8aea990c 100644
--- a/GPy/util/__init__.py
+++ b/GPy/util/__init__.py
@@ -14,6 +14,7 @@ import subarray_and_sorting
 import caching
 import diag
 import initialization
+import multioutput
 
 try:
     import sympy