diff --git a/docs/conf.py b/docs/conf.py
index b5cfe2c55eb..8ce644a0c6e 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -101,7 +101,7 @@
 # The short X.Y version.
 version = '{major}.{minor}'.format(**_version_info)
 # The full version, including alpha/beta/rc tags.
-release = '{major}.{minor}.{patch}-{tag}'.format(**_version_info)
+release = '{major}.{minor}.{patch}{tag}'.format(**_version_info)
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.