diff --git a/nixos/release.nix b/nixos/release.nix
index 09b0edcf9bd6..413f2bec54c7 100644
--- a/nixos/release.nix
+++ b/nixos/release.nix
@@ -117,9 +117,9 @@ let
         ];
         postBuild = ''
           mkdir -p $out/nix-support
-          echo "file ${kernelTarget} $out/${kernelTarget}" >> $out/nix-support/hydra-build-products
-          echo "file initrd $out/initrd" >> $out/nix-support/hydra-build-products
-          echo "file ipxe $out/netboot.ipxe" >> $out/nix-support/hydra-build-products
+          echo "file ${kernelTarget} ${build.kernel}/${kernelTarget}" >> $out/nix-support/hydra-build-products
+          echo "file initrd ${build.netbootRamdisk}/initrd" >> $out/nix-support/hydra-build-products
+          echo "file ipxe ${build.netbootIpxeScript}/netboot.ipxe" >> $out/nix-support/hydra-build-products
         '';
         preferLocalBuild = true;
       };