diff --git a/tox.ini b/tox.ini
index 7b28de5..dabf091 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,4 +1,5 @@
 [tox]
+skipsdist = True
 envlist={py27,py33,py34,pypy}-django18,{py27,py34,py35,pypy}-django{19,110}
 
 [tox:travis]
@@ -9,8 +10,8 @@ envlist={py27,py33,py34,pypy}-django18,{py27,py34,py35,pypy}-django{19,110}
 pypy = pypy
 
 [testenv]
-skipsdist = True
-usedevelop = True
+skip_install = True
+setenv = PYTHONPATH={toxinidir}
 deps =
 	.[tests]
 	django18: Django>=1.8,<1.9