diff --git a/tox.ini b/tox.ini
index 5e4562d..4af12e7 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} \
@@ -24,9 +24,11 @@ commands =
             -print0 | xargs -0 xmllint --noout"
 
 [testenv:venv]
+basepython = python3
 commands = {posargs}
 
 [testenv:true]
+basepython = python3
 # Use same environment directory as venv to save space and install time
 envdir = {toxworkdir}/venv
 commands = true