diff --git a/libavcodec/mpeg12data.c b/libavcodec/mpeg12data.c
index 5ac8c243a5742b3a9ebebf25955cad821d4a9801..a0dd6e5784cf051e319aad04b25262f8e4bf9f77 100644
--- a/libavcodec/mpeg12data.c
+++ b/libavcodec/mpeg12data.c
@@ -305,7 +305,7 @@ const uint8_t ff_mpeg12_mbMotionVectorTable[17][2] = {
 { 0xc, 10 },
 };
 
-const AVRational avpriv_frame_rate_tab[] = {
+const AVRational avpriv_frame_rate_tab[16] = {
     {    0,    0},
     {24000, 1001},
     {   24,    1},