1diff --git a/third_party/libopenjpeg20/jp2.c b/third_party/libopenjpeg20/jp2.c
2index 3ace09654..7ef7c9139 100644
3--- a/third_party/libopenjpeg20/jp2.c
4+++ b/third_party/libopenjpeg20/jp2.c
5@@ -1296,7 +1296,7 @@ static OPJ_BOOL opj_jp2_read_cmap(opj_jp2_t * jp2,
6
7
8     for (i = 0; i < nr_channels; ++i) {
9-        opj_read_bytes(p_cmap_header_data, &l_value, 2);            /* CMP^i */
10+        opj_read_bytes_BE(p_cmap_header_data, &l_value, 2);     /* CMP^i */
11         p_cmap_header_data += 2;
12         cmap[i].cmp = (OPJ_UINT16) l_value;
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14