diff --git a/tox.ini b/tox.ini
index d5a5a36..8c0f34b 100644
--- a/tox.ini
+++ b/tox.ini
@@ -4,7 +4,6 @@ minversion = 2.3
 skipsdist = True
 
 [testenv]
-#basepython = python3
 install_command = pip install -U {opts} {packages}
 setenv = VIRTUAL_ENV={envdir}
          OS_STDOUT_CAPTURE=1
@@ -13,6 +12,7 @@ setenv = VIRTUAL_ENV={envdir}
 deps = -r{toxinidir}/test-requirements.txt
 
 [testenv:linters]
+basepython = python3
 whitelist_externals = bash
 commands =
   bash -c "find {toxinidir}        \
@@ -23,6 +23,7 @@ commands =
   bash -c "ls extras/scripts/*.sh | xargs bashate -v {posargs}"
 
 [testenv:pep8]
+basepython = python3
 usedevelop = False
 skip_install = True
 deps =
@@ -31,4 +32,5 @@ commands =
     pep8
 
 [testenv:venv]
+basepython = python3
 commands = {posargs}