diff --git a/pkgs/build-support/cc-wrapper/default.nix b/pkgs/build-support/cc-wrapper/default.nix
index d926d85425a3..7ccf7b01888e 100644
--- a/pkgs/build-support/cc-wrapper/default.nix
+++ b/pkgs/build-support/cc-wrapper/default.nix
@@ -634,6 +634,8 @@ stdenvNoCC.mkDerivation {
     stdenvNoCC.mkDerivation {
       name = "win-dll-hook.sh";
       dontUnpack = true;
+      strictDeps = true;
+      __structuredAttrs = true;
       installPhase =
         if targetPlatform.isCygwin then
           ''
@@ -1043,6 +1045,8 @@ stdenvNoCC.mkDerivation {
       apple-sdk.__spliced.buildTarget or apple-sdk;
   };
 
+  __structuredAttrs = true;
+
   meta =
     let
       cc_ = optionalAttrs (cc != null) cc;