diff --git a/site/src/site/sphinx/conf.py b/site/src/site/sphinx/conf.py
index 5c0e17163..bac1c7e03 100644
--- a/site/src/site/sphinx/conf.py
+++ b/site/src/site/sphinx/conf.py
@@ -88,7 +88,7 @@ language = u'zh_CN'
 
 # List of patterns, relative to source directory, that match files and
 # directories to ignore when looking for source files.
-exclude_patterns = [u'_build', 'Thumbs.db', '.DS_Store']
+exclude_patterns = [u'_build', 'Thumbs.db', '.DS_Store', u'en']
 
 # The reST default role (used for this markup: `text`) to use for all
 # documents.