diff --git a/pkgs/applications/audio/jamin/default.nix b/pkgs/applications/audio/jamin/default.nix
index a9b423320a0..57caf4672d3 100644
--- a/pkgs/applications/audio/jamin/default.nix
+++ b/pkgs/applications/audio/jamin/default.nix
@@ -2,11 +2,12 @@
 , makeWrapper, pkgconfig, perlPackages
 }:
 
-stdenv.mkDerivation {
-  name = "jamin-0.95.0";
+stdenv.mkDerivation rec {
+  version = "0.95.0";
+  name = "jamin-${version}";
 
   src = fetchurl {
-    url = "mirror://sourceforge/jamin/jamin-0.95.0.tar.gz";
+    url = "mirror://sourceforge/jamin/jamin-${version}.tar.gz";
     sha256 = "0g5v74cm0q3p3pzl6xmnp4rqayaymfli7c6z8s78h9rgd24fwbvn";
   };