diff --git a/setup.py b/setup.py
index 82e3ef5..68c3dfa 100644
--- a/setup.py
+++ b/setup.py
@@ -5,6 +5,6 @@
 setup(
     name="PyPARRM",
     version="1.0.0",
-    package_dir={"": "src/"},
+    package_dir={"": "src"},
     packages=["pyparrm", "pyparrm._utils"],
 )