diff --git a/docs/source/conf.py b/docs/source/conf.py
index c0e37c5..f602b59 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -16,7 +16,7 @@
 import os
 import sys
 import hydropop
-sys.path.insert(0, os.path.abspath("../"))
+sys.path.insert(0, os.path.abspath(os.path.join("..", "..")))
 
 extensions = ["sphinx.ext.autodoc", "sphinx.ext.autosummary"]