diff --git a/sklearn/__init__.py b/sklearn/__init__.py
index 9493bdc5bcbff6cc0e32addc700b795cbe7344ce..f0195d00049dd8bf4161f93cfb3732da21fa7d92 100644
--- a/sklearn/__init__.py
+++ b/sklearn/__init__.py
@@ -39,7 +39,7 @@ try:
                                     extra_argv=extra_argv,
                                     doctests=doctests, coverage=coverage)
 
-    test = NoseTester().test
+    test = NoseTester(raise_warnings="release").test
     del nosetester
 except:
     pass