diff --git a/zddc/internal/archive/index.go b/zddc/internal/archive/index.go
index e3ba666..2c58743 100644
--- a/zddc/internal/archive/index.go
+++ b/zddc/internal/archive/index.go
@@ -120,8 +120,10 @@ func walkAndIndex(idx *Index, fsRoot, dirAbs, serverDir string) error {
 func indexTransmittalFolder(idx *Index, fsRoot, folderAbs, folderServerPath, date string) error {
 	return filepath.WalkDir(folderAbs, func(path string, d os.DirEntry, err error) error {
 		if err != nil {
-			// Log the error but continue indexing other files
-			_ = err // would log here: slog.Warn("walkdir error", "path", path, "err", err)
+			// Log and continue indexing the rest of the folder — a
+			// permission or FS error on one entry shouldn't abort the
+			// whole transmittal index or vanish without a trace.
+			slog.Warn("transmittal index: walkdir error", "path", path, "err", err)
 			return nil
 		}
 		if d.IsDir() {