diff --git a/stripy/__init__.py b/stripy/__init__.py
index 6029601..721a677 100644
--- a/stripy/__init__.py
+++ b/stripy/__init__.py
@@ -31,7 +31,8 @@
     if _os.path.isdir(extra_dll_dir):
         _os.environ["PATH"] += _os.pathsep + extra_dll_dir
     if sys.version_info.minor >= 8:
-        _os.add_dll_directory(_os.path.join(_os.path.dirname(__file__), '.libs'))
+        if _os.path.isdir(extra_dll_dir):
+            _os.add_dll_directory(extra_dll_dir)
 
 
 from .spherical import sTriangulation