diff --git a/scripts/source/artifacts.sh b/scripts/source/artifacts.sh
index a8b1ffc..bebcfb1 100644
--- a/scripts/source/artifacts.sh
+++ b/scripts/source/artifacts.sh
@@ -56,7 +56,10 @@ lpFetchIndex() {
     [[ -n "$(_lpFetchTool)" ]] || { isError "lpFetchIndex: need curl or wget"; return 1; }
 
     tmp="$(mktemp -d)"; idx="$tmp/index.json"; sig="$tmp/index.json.minisig"
-    if ! _lpDownload "$base/$channel/index.json" "$idx"; then
+    # Silence the downloader's own stderr (curl's "could not resolve host" / 404
+    # noise) — the caller's clean error message covers the failure. Consistent
+    # with the .minisig fetch below.
+    if ! _lpDownload "$base/$channel/index.json" "$idx" 2>/dev/null; then
         isError "lpFetchIndex: could not download the artifact index"; rm -rf "$tmp"; return 1
     fi