diff --git a/source-container-build/app/tox.ini b/source-container-build/app/tox.ini
index 496c113..2166130 100644
--- a/source-container-build/app/tox.ini
+++ b/source-container-build/app/tox.ini
@@ -3,7 +3,7 @@ env_list = flake8,black,test
 
 [testenv:test]
 deps = -r requirements-dev.txt
-commands = python3 -m pytest --cov=source_build --cov-report=term test_source_build.py
+commands = python3 -m pytest --cov=source_build --cov-report=term {posargs:.}
 
 [testenv:flake8]
 deps = flake8