diff --git a/Makefile b/Makefile
index c8b5a0d..494ad53 100644
--- a/Makefile
+++ b/Makefile
@@ -60,7 +60,7 @@ install-test: compile
 # TODO: maybe use setup.py test?
 # --forked, because every test needs a separate process, see PYADPT-100
 test:
-	pytest --forked
+	pytest
 
 
 # Development
diff --git a/pyproject.toml b/pyproject.toml
index d8a081d..d624b05 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [tool.pytest.ini_options]
 minversion = "6.0"
-addopts = ""
+addopts = "-sv --forked"
 testpaths = [
     "tests",
 ]