diff --git a/tox.ini b/tox.ini
index 1ba170c1e6..64747dbc71 100644
--- a/tox.ini
+++ b/tox.ini
@@ -2,8 +2,11 @@
 envlist = {py36,py37,py38,py39}-{sqlite,postgresql},pypy3-{sqlite,postgresql}
 
 [testenv]
-commands = {envpython} setup.py test
+commands =
+    coverage run --include=.*/account_invoice_history/* setup.py test
+    coverage report --include=.*/account_invoice_history/* --omit=*/tests/*
 deps =
+    coverage
     {py36,py37,py38,py39}-postgresql: psycopg2 >= 2.5
     pypy3-postgresql: psycopg2cffi >= 2.5
     py36-sqlite: sqlitebck