diff --git a/tox.ini b/tox.ini
index 08c76036..ab1ef135 100644
--- a/tox.ini
+++ b/tox.ini
@@ -23,7 +23,7 @@ deps =
 
 commands =
     pip freeze
-    python -m pytest --pyargs goodman_pipeline {posargs}
-    cov: python -m pytest --pyargs goodman_pipeline --cov goodman_pipeline {posargs}
+    pytest --pyargs goodman_pipeline {posargs}
+    cov: pytest --pyargs goodman_pipeline --cov goodman_pipeline {posargs}
     cov: coverage xml -o '{toxinidir}/coverage.xml'
     html: coverage html -d .coverage_html
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