diff --git a/docs/conf.py b/docs/conf.py
index 4a6c792b..848ff08d 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -16,6 +16,12 @@
 # import sys
 # sys.path.insert(0, os.path.abspath('.'))
 
+import os
+on_rtd = os.environ.get('READTHEDOCS') == 'True'
+if on_rtd:
+    html_theme = 'default'
+else:
+    html_theme = 'sphinx_rtd_theme'
 
 # -- Project information -----------------------------------------------------
 
@@ -79,7 +85,7 @@ pygments_style = None
 # The theme to use for HTML and HTML Help pages.  See the documentation for
 # a list of builtin themes.
 #
-html_theme = 'alabaster'
+##html_theme = 'alabaster'
 
 # Theme options are theme-specific and customize the look and feel of a theme
 # further.  For a list of options available for each theme, see the