diff --git a/pkgs/applications/emulators/kega-fusion/default.nix b/pkgs/applications/emulators/kega-fusion/default.nix
index fda1ee74cebd..2805290392ac 100644
--- a/pkgs/applications/emulators/kega-fusion/default.nix
+++ b/pkgs/applications/emulators/kega-fusion/default.nix
@@ -39,12 +39,12 @@ stdenv.mkDerivation {
   version = "3.63x";
 
   src = fetchurl {
-    url = "http://www.carpeludum.com/download/Fusion363x.tar.gz";
+    url = "https://www.carpeludum.com/download/Fusion363x.tar.gz";
     sha256 = "14s6czy20h5khyy7q95hd7k77v17ssafv9l6lafkiysvj2nmw94g";
   };
 
   plugins = fetchurl {
-    url = "http://www.carpeludum.com/download/PluginsLinux.tar.gz";
+    url = "https://www.carpeludum.com/download/PluginsLinux.tar.gz";
     sha256 = "0d623cvh6n5ijj3wb64g93mxx2xbichsn7hj7brbb0ndw5cs70qj";
   };