diff --git a/tox.ini b/tox.ini
index 54a95a33..4ef44981 100644
--- a/tox.ini
+++ b/tox.ini
@@ -41,14 +41,14 @@ commands = python setup.py check -r -s
 
 
 [testenv:coverage-clean]
-basepython = python3.5
 deps = coverage
 skip_install = true
 commands = coverage erase
 
 
+# Uses default basepython otherwise reporting doesn't work on Travis where
+# Python 3.5 is only available in 3.5 jobs.
 [testenv:coverage-report]
-basepython = python3.5
 deps = coverage
 skip_install = true
 commands =