diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index ad317ade..1981b2a4 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -3,6 +3,12 @@ Changelog
 
 Use cookiecutter's ``--checkout`` options to use a specific version.
 
+v1.8.1 (2015-07-04)
+-------------------
+
+* Change the basic ``tox.ini`` to allow overriding the interpreter (so that 64bit interpreter
+  actually gets used on AppVeyor).
+
 v1.8 (2015-07-03)
 -----------------
 
diff --git a/{{cookiecutter.repo_name}}/tox.ini b/{{cookiecutter.repo_name}}/tox.ini
index 5f61b9f8..b274f9d9 100644
--- a/{{cookiecutter.repo_name}}/tox.ini
+++ b/{{cookiecutter.repo_name}}/tox.ini
@@ -27,11 +27,11 @@ envlist =
 
 [testenv]
 basepython =
-    pypy: pypy
-    2.6: python2.6
-    {2.7,docs}: python2.7
-    3.3: python3.3
-    3.4: python3.4
+    pypy: {env:TOXPYTHON:pypy}
+    2.6: {env:TOXPYTHON:python2.6}
+    {2.7,docs}: {env:TOXPYTHON:python2.7}
+    3.3: {env:TOXPYTHON:python3.3}
+    3.4: {env:TOXPYTHON:python3.4}
     {clean,check,report,extension-coveralls,coveralls,codecov}: python3.4
 setenv =
     PYTHONPATH={toxinidir}/tests