diff --git a/pkgs/development/compilers/chicken/5/eggDerivation.nix b/pkgs/development/compilers/chicken/5/eggDerivation.nix
index 3dc1c4afce98..8d4a62776d0e 100644
--- a/pkgs/development/compilers/chicken/5/eggDerivation.nix
+++ b/pkgs/development/compilers/chicken/5/eggDerivation.nix
@@ -7,7 +7,7 @@
 
 let
   overrides = import ./overrides.nix;
-  baseName = (builtins.parseDrvName name).name;
+  baseName = stdenv.lib.getName name;
   override = if builtins.hasAttr baseName overrides
    then
      builtins.getAttr baseName overrides