diff --git a/setup.cfg b/setup.cfg
index 9d49ec96c..215367f76 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,6 +1,5 @@
 [metadata]
 name = xraylarch
-provides_dist = larch
 description = Synchrotron X-ray data analysis in python
 long_description = file: README.rst
 long_description_content_type = text/x-rst
@@ -30,8 +29,7 @@ project_urls =
 
 [options]
 zip_safe = False
-package_dir =
-   =larch
+packages = larch
 include_package_data = True
 python_requires = >=3.9
 setup_requires = setuptools_scm