diff --git a/docs/conf.py b/docs/conf.py
index 2e42550b0648d3fff64d0c83bf0509ac116cb910..ed68f71d52e73db2a1d40637e2fc36181887ebfe 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -14,6 +14,8 @@
 #
 import os
 import sys
+sys.path.insert(0, os.path.abspath(os.path.join(os.path.dirname(__file__),
+                                                '../rpg')))
 sys.path.insert(0, os.path.abspath(os.path.join(os.path.dirname(__file__),
                                                 '../../rpg')))