diff --git a/libavcodec/jpeg2000dec.c b/libavcodec/jpeg2000dec.c
index 28b5e087e8..260f419028 100644
--- a/libavcodec/jpeg2000dec.c
+++ b/libavcodec/jpeg2000dec.c
@@ -1125,6 +1125,9 @@ static int jpeg2000_decode_packets_po_iteration(Jpeg2000DecoderContext *s, Jpeg2
             step_x = 32;
             step_y = 32;
 
+            if (RSpoc > FFMIN(codsty->nreslevels, REpoc))
+                continue;
+
             for (reslevelno = RSpoc; reslevelno < FFMIN(codsty->nreslevels, REpoc); reslevelno++) {
                 uint8_t reducedresno = codsty->nreslevels - 1 -reslevelno; //  ==> N_L - r
                 Jpeg2000ResLevel *rlevel = comp->reslevel + reslevelno;