diff --git a/.coveragerc b/.coveragerc
index 3259411..03e0b31 100644
--- a/.coveragerc
+++ b/.coveragerc
@@ -23,6 +23,3 @@ exclude_lines =
 
 ignore_errors = True
 show_missing = True
-
-[json]
-output = .coverage.json
diff --git a/tox.ini b/tox.ini
index 684bee9..1405b37 100644
--- a/tox.ini
+++ b/tox.ini
@@ -18,11 +18,13 @@ DB =
 
 [testenv]
 install_command = pip install -e ".[testing]" -U {opts} {packages}
-# Run coverage in append mode so that we get a combined report over all environments. This can not be combined with parallel mode. This only affects local working, because each env is run on a different runner in CI.
-commands = coverage run -a testmanage.py test --deprecation all {posargs: -v 2}
-commands_post =
-    # Convert to json for CodeCov
-    coverage json
+# Run coverage in append mode so that we get a combined report over all environments.
+# This can not be combined with parallel mode.
+# This only affects local working, because each env is run on a different runner in CI.
+# The report is converted to json to be uploaded to codecov.
+commands =
+    coverage run -a testmanage.py test --deprecation all {posargs: -v 2}
+    coverage json --data-file .coverage -o .coverage.json
 
 basepython =
     python3.8: python3.8