diff --git a/tox.ini b/tox.ini
index 47d2d97..c148c20 100644
--- a/tox.ini
+++ b/tox.ini
@@ -41,7 +41,7 @@ commands_pre =
   uv pip install datalad
   uv tool install --with-executables-from=datalad-osf,datalad-next datalad
 commands =
-  pytest -sv --doctest-modules --cov niquery --cov-report xml \
+  pytest -sv --doctest-modules --cov src/niquery --cov-report xml \
   --junitxml=test-results.xml -v src test {posargs:-n auto}
 
 [testenv:docs]