diff --git a/setup.py b/setup.py
index 438f425..83f8cca 100644
--- a/setup.py
+++ b/setup.py
@@ -17,7 +17,7 @@ def read(fname):
     packages=["windpowerlib"],
     package_data={
         "windpowerlib": [
-            os.path.join("data", "**.csv"),
+            os.path.join("data", "*.csv"),
             os.path.join("data", "default_turbine_data", "*.csv"),
             os.path.join("oedb", "*.csv"),
         ]