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-rw-r--r--libavcodec/truemotion1.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/truemotion1.c b/libavcodec/truemotion1.c
index d6ea4c1a6c..338b4dcc19 100644
--- a/libavcodec/truemotion1.c
+++ b/libavcodec/truemotion1.c
@@ -387,7 +387,7 @@ static int truemotion1_decode_header(TrueMotion1Context *s)
if ((header.compression & 1) && header.header_type)
sel_vector_table = pc_tbl2;
else {
- if (header.vectable < 4)
+ if (header.vectable > 0 && header.vectable < 4)
sel_vector_table = tables[header.vectable - 1];
else {
av_log(s->avctx, AV_LOG_ERROR, "invalid vector table id (%d)\n", header.vectable);