diff --git a/libavcodec/sonic.c b/libavcodec/sonic.c
index 60b077de47..8b1d092ec9 100644
--- a/libavcodec/sonic.c
+++ b/libavcodec/sonic.c
@@ -924,6 +924,9 @@ static av_cold int sonic_decode_init(AVCodecContext *avctx)
     if (get_bits1(&gb)) // XXX FIXME
         av_log(avctx, AV_LOG_INFO, "Custom quant table\n");
 
+    if (s->num_taps > 128)
+        return AVERROR_INVALIDDATA;
+
     s->block_align = 2048LL*s->samplerate/(44100*s->downsampling);
     s->frame_size = s->channels*s->block_align*s->downsampling;
 //    avctx->frame_size = s->block_align;