diff --git a/modules/system-types/u-boot/default.nix b/modules/system-types/u-boot/default.nix
index f99a9eee..60582b2f 100644
--- a/modules/system-types/u-boot/default.nix
+++ b/modules/system-types/u-boot/default.nix
@@ -158,6 +158,15 @@ let
       boot-partition
       config.mobile.outputs.generatedFilesystems.rootfs
     ];
+
+    postProcess = ''
+      (PS4=" $ "; set -x
+      mkdir $out/nix-support
+      cat <<EOF > $out/nix-support/hydra-build-products
+      file disk-image $out/$filename
+      EOF
+      )
+    '';
   };
 in
 {