diff --git a/yt b/yt
index 898238b..f743c44 100755
--- a/yt
+++ b/yt
@@ -76,7 +76,7 @@ lines() {
 }
 
 music() { # downloads a video, splitting by chapter and only saving the audio
-	while "$1"; do
+	while test -n "$1"; do
 		yt-dlp -vx --split-chapters -o \
 			"chapter:%(fulltitle)s - %(section_number)s %(section_title)s.%(ext)s" \
 			"$1" --audio-quality 0 >> log 2>&1