diff --git a/pkgs/development/tools/parsing/jikespg/default.nix b/pkgs/development/tools/parsing/jikespg/default.nix
index 7cfb39ebded..6f0eb3735ff 100644
--- a/pkgs/development/tools/parsing/jikespg/default.nix
+++ b/pkgs/development/tools/parsing/jikespg/default.nix
@@ -1,11 +1,11 @@
 {stdenv, fetchurl}:
 
-stdenv.mkDerivation {
+stdenv.mkDerivation rec {
   name = "jikespg-1.3";
 
   src = fetchurl {
-    url = mirror://sourceforge/jikes/jikespg-1.3.tar.gz;
-    md5 = "eba183713d9ae61a887211be80eeb21f";
+    url = "mirror://sourceforge/jikes/${name}.tar.gz";
+    sha256 = "083ibfxaiw1abxmv1crccx1g6sixkbyhxn2hsrlf6fwii08s6rgw";
   };
 
   sourceRoot = "jikespg/src";
@@ -16,9 +16,11 @@ stdenv.mkDerivation {
       cp jikespg $out/bin
     '';
 
-  meta = {
+  meta = with stdenv.lib; {
     homepage = http://jikes.sourceforge.net/;
     description = "The Jikes Parser Generator";
-    platforms = stdenv.lib.platforms.linux;
+    platforms = platforms.linux;
+    license = licenses.ipl10;
+    maintainers = with maintainers; [ pSub ];
   };
 }