1 files changed, 2 insertions, 2 deletions
diff --git a/nixpkgs/pkgs/development/compilers/chicken/4/fetchegg/default.nix b/nixpkgs/pkgs/development/compilers/chicken/4/fetchegg/default.nix
index d4d33a5593c3..23c5760b4bce 100644
--- a/nixpkgs/pkgs/development/compilers/chicken/4/fetchegg/default.nix
+++ b/nixpkgs/pkgs/development/compilers/chicken/4/fetchegg/default.nix
@@ -1,7 +1,7 @@
 # Fetches a chicken egg from henrietta using `chicken-install -r'
 # See: http://wiki.call-cc.org/chicken-projects/egg-index-4.html
 
-{ stdenvNoCC, chicken }:
+{ lib, stdenvNoCC, chicken }:
 { name, version, md5 ? "", sha256 ? "" }:
 
 if md5 != "" then
@@ -20,6 +20,6 @@ stdenvNoCC.mkDerivation {
 
   eggName = name;
 
-  impureEnvVars = stdenvNoCC.lib.fetchers.proxyImpureEnvVars;
+  impureEnvVars = lib.fetchers.proxyImpureEnvVars;
 }