diff --git a/pkgs/by-name/ja/jack_oscrolloscope/package.nix b/pkgs/by-name/ja/jack_oscrolloscope/package.nix
index ec2f88ad353e..0ba5b46cb4c6 100644
--- a/pkgs/by-name/ja/jack_oscrolloscope/package.nix
+++ b/pkgs/by-name/ja/jack_oscrolloscope/package.nix
@@ -15,7 +15,7 @@ stdenv.mkDerivation (finalAttrs: {
   version = "0.7";
 
   src = fetchurl {
-    url = "http://das.nasophon.de/download/jack_oscrolloscope-${finalAttrs.version}.tar.gz";
+    url = "https://das.nasophon.de/download/jack_oscrolloscope-${finalAttrs.version}.tar.gz";
     sha256 = "1pl55in0sj7h5r06n1v91im7d18pplvhbjhjm1fdl39zwnyxiash";
   };