diff --git a/spotify/update-playlist.sh b/spotify/update-playlist.sh
index 23496cb..ed18d4d 100755
--- a/spotify/update-playlist.sh
+++ b/spotify/update-playlist.sh
@@ -5,7 +5,7 @@ MYSELF=$(realpath "$0")
 MYDIR=$(dirname "$MYSELF")
 . "$MYDIR"/get-tokens.sh
 
-PLAYLIST_ID="2BoXyJeV0fhEHOy4uiByxr"
+PLAYLIST_ID=${PLAYLIST_ID:-"2BoXyJeV0fhEHOy4uiByxr"}
 
 i=0
 iter_url=https://api.spotify.com/v1/playlists/$PLAYLIST_ID/tracks