diff --git a/doc/_templates/indexsidebar.html b/doc/_templates/indexsidebar.html
index bfa0139cb..6359921a5 100644
--- a/doc/_templates/indexsidebar.html
+++ b/doc/_templates/indexsidebar.html
@@ -3,7 +3,7 @@
   {%trans%}project{%endtrans%}</p>
 
 <h3>Download</h3>
-{% if version.endswith('a0') %}
+{% if version.endswith('+') %}
 <p>{%trans%}This documentation is for version <b><a href="changes.html">{{ version }}</a></b>, which is
   not released yet.{%endtrans%}</p>
 <p>{%trans%}You can use it from the
diff --git a/doc/conf.py b/doc/conf.py
index 95d14ec46..6817af12a 100644
--- a/doc/conf.py
+++ b/doc/conf.py
@@ -16,7 +16,7 @@ exclude_patterns = ['_build']
 
 project = 'Sphinx'
 copyright = '2007-2017, Georg Brandl and the Sphinx team'
-version = sphinx.__released__
+version = sphinx.__display_version__
 release = version
 show_authors = True