diff --git a/iolite_docs/conf.py b/iolite_docs/conf.py
index 61e3387..0351c62 100644
--- a/iolite_docs/conf.py
+++ b/iolite_docs/conf.py
@@ -31,3 +31,5 @@
 }
 html_logo = '_static/images/logo.png'
 html_static_path = ['_static']
+
+latex_engine = 'xelatex'