diff --git a/GPy/testing/plotting_tests.py b/GPy/testing/plotting_tests.py
index c08ff17e..a9faa183 100644
--- a/GPy/testing/plotting_tests.py
+++ b/GPy/testing/plotting_tests.py
@@ -42,7 +42,7 @@ try:
 except ImportError:
     # matplotlib not installed
     from nose import SkipTest
-    raise SkipTest("Skipping Matplotlib testing")
+    raise
 
 from unittest.case import TestCase