diff --git a/pkgs/tools/graphics/argyllcms/default.nix b/pkgs/tools/graphics/argyllcms/default.nix
index bb2b56e2b2fc..271d5a5754f9 100644
--- a/pkgs/tools/graphics/argyllcms/default.nix
+++ b/pkgs/tools/graphics/argyllcms/default.nix
@@ -137,7 +137,7 @@ stdenv.mkDerivation rec {
   };
 
   meta = with lib; {
-    homepage = "http://www.argyllcms.com";
+    homepage = "https://www.argyllcms.com/";
     description = "Color management system (compatible with ICC)";
     license = licenses.gpl3;
     maintainers = [];