diff --git a/pkgs/tools/networking/ndisc6/default.nix b/pkgs/tools/networking/ndisc6/default.nix
index b8680ca20d3a..56cdbd178250 100644
--- a/pkgs/tools/networking/ndisc6/default.nix
+++ b/pkgs/tools/networking/ndisc6/default.nix
@@ -22,7 +22,7 @@ stdenv.mkDerivation rec {
   ];
 
   meta = with stdenv.lib; {
-    homepage = http://www.remlab.net/ndisc6/;
+    homepage = https://www.remlab.net/ndisc6/;
     description = "A small collection of useful tools for IPv6 networking";
     maintainers = with maintainers; [ eelco wkennington ];
     platforms = platforms.linux;