diff --git a/doc/RTD/source/conf.py b/doc/RTD/source/conf.py
index 8cda2a011e2e12d8d1184224ff77c1739e8aacf8..30780800e7829caccb5c443c4bfd97649479b590 100644
--- a/doc/RTD/source/conf.py
+++ b/doc/RTD/source/conf.py
@@ -25,7 +25,7 @@ author = 'SWIFT Team'
 # The short X.Y version
 version = '0.8'
 # The full version, including alpha/beta/rc tags
-release = '0.8.4
+release = '0.8.4'
 
 
 # -- General configuration ---------------------------------------------------