diff --git a/docs/conf.py b/docs/conf.py
index e7abb89..98ce358 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -17,7 +17,7 @@ import os
 # If extensions (or modules to document with autodoc) are in another directory,
 # add these directories to sys.path here. If the directory is relative to the
 # documentation root, use os.path.abspath to make it absolute, like shown here.
-sys.path.insert(0, os.path.abspath('..'))
+sys.path.insert(0, os.path.join(os.path.dirname(__file__), os.pardir))
 
 # -- General configuration -----------------------------------------------------