diff --git a/tox.ini b/tox.ini
index f1c95c5..bf3aacb 100644
--- a/tox.ini
+++ b/tox.ini
@@ -25,12 +25,14 @@ description = Runs set of linters against codebase (checkniceness)
 commands = {[testenv:checkniceness]commands}
 
 [testenv:checkniceness]
+basepython = python3
 description = Validates (pep-like) documenation
 skip_install = True
 usedevelop = False
 commands = doc8 --file-encoding utf-8 {toxinidir}/doc
 
 [testenv:spelling]
+basepython = python3
 deps =
    -r{toxinidir}/requirements.txt
    sphinxcontrib-spelling