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-rw-r--r--libavformat/icodec.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/libavformat/icodec.c b/libavformat/icodec.c
index e539b02464..214d4773df 100644
--- a/libavformat/icodec.c
+++ b/libavformat/icodec.c
@@ -76,6 +76,8 @@ static int read_header(AVFormatContext *s, AVFormatParameters *ap)
st->codec->width = avio_r8(pb);
st->codec->height = avio_r8(pb);
ico->images[i].nb_pal = avio_r8(pb);
+ if (ico->images[i].nb_pal == 255)
+ ico->images[i].nb_pal = 0;
avio_skip(pb, 3);
st->codec->bits_per_coded_sample = avio_rl16(pb);