diff --git a/pkgs/development/compilers/ikarus/default.nix b/pkgs/development/compilers/ikarus/default.nix
index bf63dfd2082b..4c3845f9ee56 100644
--- a/pkgs/development/compilers/ikarus/default.nix
+++ b/pkgs/development/compilers/ikarus/default.nix
@@ -1,10 +1,11 @@
 { stdenv, fetchurl, gmp }:
 
 stdenv.mkDerivation rec {
-  name = "ikarus-0.0.3";
+  version = "0.0.3";
+  name = "ikarus-${version}";
 
   src = fetchurl {
-    url = "http://ikarus-scheme.org/${name}.tar.gz";
+    url = "http://launchpad.net/ikarus/0.0/${version}/+download/${name}.tar.gz";
     sha256 = "0d4vqwqfnj39l0gar2di021kcf6bfpkc6g40yapkmxm6sxpdcvjv";
   };