diff --git a/libavcodec/aacenc.c b/libavcodec/aacenc.c
index 9b2b2bbab5..383cb5a7c1 100644
--- a/libavcodec/aacenc.c
+++ b/libavcodec/aacenc.c
@@ -576,7 +576,7 @@ static int aac_encode_frame(AVCodecContext *avctx, AVPacket *avpkt,
         }
         start_ch += chans;
     }
-    if ((ret = ff_alloc_packet2(avctx, avpkt, 768 * s->channels))) {
+    if ((ret = ff_alloc_packet2(avctx, avpkt, 8192 * s->channels))) {
         av_log(avctx, AV_LOG_ERROR, "Error getting output packet\n");
         return ret;
     }