1 files changed, 1 insertions, 1 deletions
diff --git a/tox.ini b/tox.ini
index c3ea462b..98005fa2 100644
--- a/tox.ini
+++ b/tox.ini
@@ -7,5 +7,5 @@
 [testenv]
 deps=-rtests/requirements.txt
 passenv=APPDATA USERPROFILE HOMEDRIVE HOMEPATH windir APPVEYOR
-commands=py.test {posargs:-rsx}
+commands=py.test {posargs:-rsxX}
 usedevelop=True