diff --git a/doc/dll-description.md b/doc/dll-description.md
index bce60b33..8b5726f0 100644
--- a/doc/dll-description.md
+++ b/doc/dll-description.md
@@ -2,7 +2,7 @@ Bo Haglund, Soren Hein, Bob Richardson
 
 Rev X, 2014-11-16
 
-Latest DLL issue with this description is available at [http://www.bahnhof.se/wb758135/](http://www.bahnhof.se/wb758135/)
+Latest DLL issue with this description is available at [https://privat.bahnhof.se/wb758135/](https://privat.bahnhof.se/wb758135)
 
 # Description of the DLL functions supported in Double Dummy Problem Solver 2.8.2
 ## Callable functions