diff --git a/libavformat/audiointerleave.c b/libavformat/audiointerleave.c
index e48f826..e941415 100644
--- a/libavformat/audiointerleave.c
+++ b/libavformat/audiointerleave.c
@@ -112,6 +112,7 @@ int ff_audio_rechunk_interleave(AVFormatContext *s, AVPacket *out, AVPacket *pkt
                 aic->fifo_size = new_size;
             }
             av_fifo_generic_write(aic->fifo, pkt->data, pkt->size, NULL);
+            av_free_packet(pkt);
         } else {
             // rewrite pts and dts to be decoded time line position
             pkt->pts = pkt->dts = aic->dts;