diff --git a/libavformat/lrcdec.c b/libavformat/lrcdec.c
index df61853d2b..33f2cd90e2 100644
--- a/libavformat/lrcdec.c
+++ b/libavformat/lrcdec.c
@@ -212,6 +212,7 @@ static int lrc_read_header(AVFormatContext *s)
     }
     ff_subtitles_queue_finalize(&lrc->q);
     ff_metadata_conv_ctx(s, NULL, ff_lrc_metadata_conv);
+    av_bprint_finalize(&line, NULL);
     return 0;
 }