diff --git a/tests/unit/ext/test_flask_py2_py3.py b/tests/unit/ext/test_flask_py2_py35.py
similarity index 100%
rename from tests/unit/ext/test_flask_py2_py3.py
rename to tests/unit/ext/test_flask_py2_py35.py
diff --git a/tox.ini b/tox.ini
index 61d6a098..b64be5f1 100644
--- a/tox.ini
+++ b/tox.ini
@@ -9,7 +9,7 @@ extras=
     yaml
     flask
 commands=
-    unit2 discover -s tests/unit -p test_*_py3.py
+    unit2 discover -s tests/unit -p test_*_py3*.py
 
 [testenv:coveralls]
 passenv=TRAVIS TRAVIS_JOB_ID TRAVIS_BRANCH DEPENDENCY_INJECTOR_DEBUG_MODE
@@ -31,6 +31,8 @@ commands=
     unit2 discover -s tests/unit -p test_*_py2_py3.py
 
 [testenv:py34]
+commands=
+    unit2 discover -s tests/unit -p test_*_py3.py
 extras=
     flask