1 files changed, 1 insertions, 3 deletions
diff --git a/pkgs/development/compilers/tiger/default.nix b/pkgs/development/compilers/tiger/default.nix
index c7185fc659b72..2fd297b8848a5 100644
--- a/pkgs/development/compilers/tiger/default.nix
+++ b/pkgs/development/compilers/tiger/default.nix
@@ -1,12 +1,10 @@
-{stdenv, fetchurl, aterm, sdf, strategoxt}: derivation {
+{stdenv, fetchurl, aterm, sdf, strategoxt}: stdenv.mkDerivation {
   name = "tiger-1.3-4631";
-  system = stdenv.system;
   builder = ./builder.sh;
   src = fetchurl {
     url = http://losser.st-lab.cs.uu.nl/~mbravenb/dailydist/tiger/src/tiger-1.3-4631.tar.gz;
     md5 = "1ea6070d84134eb6cff7fb32a75ef90a";
   };
-  stdenv = stdenv;
   aterm = aterm;
   sdf = sdf;
   strategoxt = strategoxt;