diff --git a/{{cookiecutter.project_slug}}/pyproject.toml b/{{cookiecutter.project_slug}}/pyproject.toml
index 8191c8b59b1635b517dd54e51b989decef05d055..3fc4fdf26c55936641c4fa41940d1fee75ad0931 100644
--- a/{{cookiecutter.project_slug}}/pyproject.toml
+++ b/{{cookiecutter.project_slug}}/pyproject.toml
@@ -94,7 +94,7 @@ deps = [
     "-r{toxinidir}/tests/requirements.txt"]
 commands = [
     ["python", "-m", "ruff", "--version"],
-    ["python", "-m", "ruff", "check", { replace = "posargs", default = ["{{cookiecutter.project_slug}}", "tests"], extend = true }]
+    ["python", "-m", "ruff", "check", { replace = "posargs", default = ["src", "tests"], extend = true }]
 ]
 
 [tool.tox.env.format]
@@ -102,7 +102,7 @@ deps = [
     "ruff",
     "-r{toxinidir}/tests/requirements.txt"]
 commands = [
-    ["python", "-m", "ruff", "format", "-v", { replace = "posargs", default = ["{{cookiecutter.project_slug}}", "tests"], extend = true }]
+    ["python", "-m", "ruff", "format", "-v", { replace = "posargs", default = ["src", "tests"], extend = true }]
 ]
 
 [tool.tox.env.docs]