diff --git a/docs/conf.py b/docs/conf.py
index 7567b0bc2c77a10ac498182513479ac588aca51b..665a5fdf49052f2383d4df7a7212615dcd41c2ee 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -17,6 +17,7 @@ import sys, os
 # 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.abspath('..'))
 
 # -- General configuration -----------------------------------------------------