diff --git a/src/cabac.h b/src/cabac.h
index cf857aa0..f5495e34 100644
--- a/src/cabac.h
+++ b/src/cabac.h
@@ -53,7 +53,7 @@ typedef struct
   struct {
     cabac_ctx_t sao_merge_flag_model;
     cabac_ctx_t sao_type_idx_model;
-    cabac_ctx_t split_flag_model[3]; //!< \brief split flag context models
+    cabac_ctx_t split_flag_model[5]; //!< \brief split flag context models
     cabac_ctx_t intra_mode_model;    //!< \brief intra mode context models
     cabac_ctx_t chroma_pred_model[2];
     cabac_ctx_t inter_dir[5];
diff --git a/src/context.c b/src/context.c
index ada2683e..6af99d85 100644
--- a/src/context.c
+++ b/src/context.c
@@ -87,10 +87,10 @@ static const uint8_t INIT_PART_SIZE[3][4] = {
   { 184,  CNU,  CNU,  CNU, },
 };
 
-static const uint8_t  INIT_SPLIT_FLAG[3][3] = {
-  { 107,  139,  126 },
-  { 107,  139,  126 },
-  { 139,  141,  157 },
+static const uint8_t  INIT_SPLIT_FLAG[3][5] = {
+  { 107, 139, 126, 255, 0, },
+  { 107, 139, 126, 255, 0, },
+  { 139, 141, 157, 255, 0, },
 };
 
 static const uint8_t INIT_INTRA_PRED_MODE[3] = {
@@ -230,6 +230,9 @@ void kvz_init_contexts(encoder_state_t *state, int8_t QP, int8_t slice)
   kvz_ctx_init(&cabac->ctx.split_flag_model[0], QP, INIT_SPLIT_FLAG[slice][0]);
   kvz_ctx_init(&cabac->ctx.split_flag_model[1], QP, INIT_SPLIT_FLAG[slice][1]);
   kvz_ctx_init(&cabac->ctx.split_flag_model[2], QP, INIT_SPLIT_FLAG[slice][2]);
+  // VVC Large CTU use
+  kvz_ctx_init(&cabac->ctx.split_flag_model[3], QP, INIT_SPLIT_FLAG[slice][3]);
+  kvz_ctx_init(&cabac->ctx.split_flag_model[4], QP, INIT_SPLIT_FLAG[slice][4]);
 
   kvz_ctx_init(&cabac->ctx.intra_mode_model, QP, INIT_INTRA_PRED_MODE[slice]);