diff --git a/tox.ini b/tox.ini
index 5ef1be8a..155b50c2 100644
--- a/tox.ini
+++ b/tox.ini
@@ -13,7 +13,7 @@ deps = -r{toxinidir}/requirements/default.txt
        -r{toxinidir}/requirements/test3.txt
        -r{toxinidir}/requirements/test-ci.txt
 commands = {toxinidir}/extra/release/removepyc.sh {toxinidir}
-           nosetests -vd kombu.tests                            \
+           nosetests -vds kombu.tests                            \
                 --with-coverage3                                \
                 --cover3-branch                                 \
                 --cover3-xml                                    \