diff --git a/tox.ini b/tox.ini
index 6a0d01b..63574d4 100644
--- a/tox.ini
+++ b/tox.ini
@@ -18,13 +18,14 @@ deps =
     dj30: django>=3.0,<3.1
     dj31: django>=3.1,<3.2
     djmaster: https://github.com/django/django/archive/master.tar.gz
-usedevelop = True
+usedevelop = true
 commands = pytest
 setenv =
     PYTHONDONTWRITEBYTECODE=1
 
-[testenv:py{36,37,38,39,py3}-djmaster]
-ignore_errors = True
+[testenv:py{36,37,38,39,py3}-dj{master}]
+ignore_errors = true
+ignore_outcome = true
 
 [testenv:py38-qa]
 basepython = python3.8