diff --git a/doc/conf.py b/doc/conf.py
index 2c1e0251..172299a7 100644
--- a/doc/conf.py
+++ b/doc/conf.py
@@ -83,9 +83,7 @@ release = version
 
 # List of patterns, relative to source directory, that match files and
 # directories to ignore when looking for source files.
-#exclude_patterns = []
-
-exclude_trees = ['sphinx-bootstrap-theme']
+exclude_patterns = ['sphinx-bootstrap-theme/*']
 
 # The reST default role (used for this markup: `text`) to use for all documents.
 #default_role = None