diff --git a/tox.ini b/tox.ini
index 3940cf30..a0bcb50b 100644
--- a/tox.ini
+++ b/tox.ini
@@ -3,11 +3,12 @@ envlist =
     py34
     py35
     py36
+    py37
 
 [testenv]
 passenv = HOME
 commands =
     pip install -e .[dev]
-    pytest --cov=img-proof
+    pytest --cov=img_proof
     flake8 img-proof
     flake8 tests --exclude=data