diff --git a/pkgs/build-support/trivial-builders.nix b/pkgs/build-support/trivial-builders.nix
index 1529869aa331..4debd9636396 100644
--- a/pkgs/build-support/trivial-builders.nix
+++ b/pkgs/build-support/trivial-builders.nix
@@ -71,7 +71,7 @@ rec {
       ''
         mkdir -p $out
         for i in $paths; do
-          ${lndir}/bin/lndir $i $out
+          ${lndir}/bin/lndir -silent $i $out
         done
         ${postBuild}
       '';