diff --git a/pyproject.toml b/pyproject.toml
index b0b351b..bcc7b54 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -164,7 +164,7 @@ legacy_tox_ini = """
         macos-latest: macos
         windows-latest: windows
 """
-env.testenv = {commands = [
+testenv = {commands = [
     "pytest --cov --cov-report=lcov",
 ], deps = [
     "pytest-cov",