diff --git a/tox.ini b/tox.ini
index d0c4336f544..003861d2107 100644
--- a/tox.ini
+++ b/tox.ini
@@ -32,7 +32,7 @@ commands =
 deps =
      -r{toxinidir}/requirements_test.txt
 commands =
-    python script/gen_requirements_all.py validate
+    python -m script.gen_requirements_all validate
     flake8 {posargs}
     pydocstyle {posargs:homeassistant tests}