diff --git a/pkgs/stdenv/generic/make-derivation.nix b/pkgs/stdenv/generic/make-derivation.nix
index 6f31e09b125..9f6fee93710 100644
--- a/pkgs/stdenv/generic/make-derivation.nix
+++ b/pkgs/stdenv/generic/make-derivation.nix
@@ -12,7 +12,7 @@ rec {
   # * https://nixos.org/nix/manual/#ssec-derivation
   #   Explanation about derivations in general
   mkDerivation =
-    { name ? if builtins.hasAttr "pname" attrs && builtins.hasAttr "version" attrs
+    { name ? if attrs ? pname && attrs ? version
         then "${attrs.pname}-${attrs.version}"
         else ""