diff --git a/tox.ini b/tox.ini
index dbfd4eef5..b9e12983b 100644
--- a/tox.ini
+++ b/tox.ini
@@ -141,7 +141,7 @@ commands =
     sphinx-build -W -b html . _build
 
 [testenv:doctesting]
-basepython = python
+basepython = python3
 skipsdist = True
 deps =
     PyYAML