diff --git a/README.md b/README.md
index 9d99998a10746a60744820b116706a3a81f52cae..de4c62e71112223b00ae12b9aedd157b0a6b3fc3 100644
--- a/README.md
+++ b/README.md
@@ -25,7 +25,7 @@ issues.
 ## Contributing
 
 Contributions from user-side are highly welcome. Please refer to
-[Contribution guide](compendium.hpc.tu-dresden.de/contrib/howto_contribute) to get started.
+[Contribution guide](https://compendium.hpc.tu-dresden.de/contrib/howto_contribute) to get started.
 
 ## Licenses