diff --git a/docs/conf.py b/docs/conf.py
index 7f6c8c71bae59f6d9f1600c1fc12d0f1d483db9f..2d7b24f589ca6bdda7798f06879d2270c9ee7f28 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -1,3 +1,5 @@
+import sphinx_rtd_theme
+
 html_theme = 'sphinx_rtd_theme'
 html_static_path = ['_static']
 html_logo = "img/openBIS.png"