diff --git a/pkgs/stdenv/generic/make-derivation.nix b/pkgs/stdenv/generic/make-derivation.nix
index d34785dca945..0515494ec982 100644
--- a/pkgs/stdenv/generic/make-derivation.nix
+++ b/pkgs/stdenv/generic/make-derivation.nix
@@ -294,6 +294,7 @@ else let
       (["meta" "passthru" "pos"
        "checkInputs" "installCheckInputs"
        "nativeCheckInputs" "nativeInstallCheckInputs"
+       "__contentAddressed"
        "__darwinAllowLocalNetworking"
        "__impureHostDeps" "__propagatedImpureHostDeps"
        "sandboxProfile" "propagatedSandboxProfile"]