diff --git a/README.md b/README.md
index 948fbc4fb93..a2ed0877e9a 100644
--- a/README.md
+++ b/README.md
@@ -14,5 +14,5 @@ manager.
 
 Communication:
 
-* [Mailing list](https://lists.science.uu.nl/mailman/listinfo/nix-dev)
+* [Mailing list](http://lists.science.uu.nl/mailman/listinfo/nix-dev)
 * [IRC - #nixos on freenode.net](irc://irc.freenode.net/#nixos)