diff --git a/GPy/testing/plotting_tests.py b/GPy/testing/plotting_tests.py
index dce8b91a..c08ff17e 100644
--- a/GPy/testing/plotting_tests.py
+++ b/GPy/testing/plotting_tests.py
@@ -38,7 +38,7 @@ from nose import SkipTest
 
 try:
     import matplotlib
-    matplotlib.use('agg')
+    #matplotlib.use('agg')
 except ImportError:
     # matplotlib not installed
     from nose import SkipTest