1diff --git a/third_party/libopenjpeg20/pi.c b/third_party/libopenjpeg20/pi.c 2index 462e07c..9097e31 100644 3--- a/third_party/libopenjpeg20/pi.c 4+++ b/third_party/libopenjpeg20/pi.c 5@@ -1028,7 +1028,7 @@ static void opj_pi_update_decode_poc (opj_pi_iterator_t * p_pi, 6 l_current_pi->poc.precno0 = 0; 7 l_current_pi->poc.resno1 = l_current_poc->resno1; /* Resolution Level Index #0 (End) */ 8 l_current_pi->poc.compno1 = l_current_poc->compno1; /* Component Index #0 (End) */ 9- l_current_pi->poc.layno1 = l_current_poc->layno1; /* Layer Index #0 (End) */ 10+ l_current_pi->poc.layno1 = opj_uint_min(l_current_poc->layno1, p_tcp->numlayers); /* Layer Index #0 (End) */ 11 l_current_pi->poc.precno1 = p_max_precision; 12 ++l_current_pi; 13 ++l_current_poc; 14