diff --git a/pyproject.toml b/pyproject.toml
index 862e7ea..26b9c10 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -23,6 +23,9 @@ requires = [
 [tool.setuptools.package-data]
 "pynxm" = ["py.typed"]
 
+[tool.setuptools.packages.find]
+where = ["."]
+
 [tool.flit.metadata.requires-extra]
 dev = [
     "tox",