diff --git a/.coveragerc b/.coveragerc
index 5f30cffa4..dbe1eabbe 100644
--- a/.coveragerc
+++ b/.coveragerc
@@ -1,7 +1,9 @@
 [run]
 branch = True
 source = mistral
-omit = mistral/tests/*
+omit =
+ .tox/*
+ mistral/tests/*
 
 [report]
 ignore_errors = True