diff --git a/app/Http/Controllers/DownloadController.php b/app/Http/Controllers/DownloadController.php
index 1674d6c7..29ff30cb 100644
--- a/app/Http/Controllers/DownloadController.php
+++ b/app/Http/Controllers/DownloadController.php
@@ -40,14 +40,18 @@ public function downloadFile(Request $request, $filename)
     public function downloadLilyponds(Request $request) {
         $updated_after = $request->get('updated_after');
 
-        $result = DB::table('song_lyrics')
+        $query = DB::table('song_lyrics')
             ->select('song_lyrics.id', 'rendered_scores.filename')
             ->join('lilypond_parts_sheet_music', 'song_lyrics.id', '=', 'lilypond_parts_sheet_music.song_lyric_id')
             ->join('rendered_scores', 'lilypond_parts_sheet_music.id', '=', 'rendered_scores.lilypond_parts_sheet_music_id')
-            ->where('song_lyrics.updated_at', '>', $updated_after)
             ->where('rendered_scores.filetype', 'svg')
-            ->where('render_config_hash', '491ed726') // {"hide_voices": ["muzi", "tenor", "bas", "zeny", "sopran", "alt"]}
-            ->get();
+            ->where('render_config_hash', '491ed726'); // {"hide_voices": ["muzi", "tenor", "bas", "zeny", "sopran", "alt"]}
+
+        if (isset($updated_after)) {
+            $query = $query->where('song_lyrics.updated_at', '>', $updated_after);
+        }
+
+        $result = $query->get();
             
         $response = new StreamedResponse(function () use ($result) {
             $zip = new ZipStream(
diff --git a/resources/assets/js/admin/pages/edit/SongLyricEdit.vue b/resources/assets/js/admin/pages/edit/SongLyricEdit.vue
index f2872c15..a4f408c5 100644
--- a/resources/assets/js/admin/pages/edit/SongLyricEdit.vue
+++ b/resources/assets/js/admin/pages/edit/SongLyricEdit.vue
@@ -472,7 +472,7 @@
                   name="input-7-4"
                   label="Notový zápis ve formátu Lilypond"
                   ref="textarea"
-                  :readonly="true"
+                  :readonly="model.lilypond.length === 0"
                   v-model="model.lilypond"
                   placeholder="Pro vytváření nových LilyPond záznamů použijte nový způsob zápisu"
                   style="font-family: monospace; tab-size: 2; margin-bottom: 5px;"