diff --git a/docs/conf.py b/docs/conf.py
index 9336e92..9116966 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -10,9 +10,11 @@
 # 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.
 #
+import sphinx_rtd_theme
 import os
 import sys
 sys.path.insert(0, os.path.abspath('.'))
+sys.path.insert(0, os.path.abspath('sphinx_rtd_theme'))
 
 
 # -- Project information -----------------------------------------------------