diff --git a/av1/encoder/block.h b/av1/encoder/block.h
index 436a000..b8e886b 100644
--- a/av1/encoder/block.h
+++ b/av1/encoder/block.h
@@ -158,9 +158,9 @@
   int mv_row_max;
 
 #if CONFIG_VAR_TX
-  uint8_t blk_skip[MAX_MB_PLANE][MAX_MIB_SIZE * MAX_MIB_SIZE * 4];
+  uint8_t blk_skip[MAX_MB_PLANE][MAX_MIB_SIZE * MAX_MIB_SIZE * 8];
 #if CONFIG_REF_MV
-  uint8_t blk_skip_drl[MAX_MB_PLANE][MAX_MIB_SIZE * MAX_MIB_SIZE * 4];
+  uint8_t blk_skip_drl[MAX_MB_PLANE][MAX_MIB_SIZE * MAX_MIB_SIZE * 8];
 #endif
 #endif