diff --git a/tox.ini b/tox.ini
index 5983171644..d890cba8f3 100644
--- a/tox.ini
+++ b/tox.ini
@@ -9,7 +9,7 @@ ignore = E501,E128,E261,E302,E303,E124,E126
 exclude = wagtail/project_template/*
 
 [testenv]
-commands=coverage run runtests.py
+commands=coverage run runtests.py --elasticsearch
 
 basepython =
     py27: python2.7