diff --git a/vp8/common/entropy.c b/vp8/common/entropy.c
index e5a58646c2651cc3f32110f19a53ba8dcaf86526..558ca4b102aa593815823a2221a5d360a49f8155 100644
--- a/vp8/common/entropy.c
+++ b/vp8/common/entropy.c
@@ -128,7 +128,7 @@ static const Prob Pcat6[] =
 
 #endif
 
-static vp8_tree_index cat1[2], cat2[4], cat3[6], cat4[8], cat5[10], cat6[22];
+static vp8_tree_index cat1[2], cat2[4], cat3[6], cat4[8], cat5[10], cat6[26];
 
 void vp8_init_scan_order_mask()
 {