diff --git a/libavcodec/libmp3lame.c b/libavcodec/libmp3lame.c
index e55aa8537a..662fc213f2 100644
--- a/libavcodec/libmp3lame.c
+++ b/libavcodec/libmp3lame.c
@@ -275,7 +275,6 @@ static int mp3lame_encode_frame(AVCodecContext *avctx, AVPacket *avpkt,
         if ((discard_padding < avctx->frame_size) != (avpkt->duration > 0)) {
             av_log(avctx, AV_LOG_ERROR, "discard padding overflow\n");
             av_packet_unref(avpkt);
-            av_free(avpkt);
             return AVERROR(EINVAL);
         }
         if ((!s->delay_sent && avctx->initial_padding > 0) || discard_padding > 0) {
@@ -284,7 +283,6 @@ static int mp3lame_encode_frame(AVCodecContext *avctx, AVPacket *avpkt,
                                                          10);
             if(!side_data) {
                 av_packet_unref(avpkt);
-                av_free(avpkt);
                 return AVERROR(ENOMEM);
             }
             if (!s->delay_sent) {