diff --git a/src/cabac.h b/src/cabac.h
index 2a583b16..785968d0 100644
--- a/src/cabac.h
+++ b/src/cabac.h
@@ -54,6 +54,7 @@ typedef struct
     cabac_ctx split_flag_model[3]; //!< \brief split flag context models
     cabac_ctx intra_mode_model;    //!< \brief intra mode context models
     cabac_ctx chroma_pred_model[2];
+    cabac_ctx inter_dir[5];
     cabac_ctx trans_subdiv_model[3]; //!< \brief intra mode context models
     cabac_ctx qt_cbf_model_luma[4];
     cabac_ctx qt_cbf_model_chroma[4];
diff --git a/src/context.c b/src/context.c
index a1f168a6..6c8217dc 100644
--- a/src/context.c
+++ b/src/context.c
@@ -108,6 +108,11 @@ const uint8_t INIT_CHROMA_PRED_MODE[3][2] = {
   {  63,  139 },
 };
 
+const uint8_t INIT_INTER_DIR[3][5] = {
+  {  95,  79,  63,  31,  31, },
+  {  95,  79,  63,  31,  31, },
+  { CNU, CNU, CNU, CNU, CNU, },
+};
 
 const uint8_t INIT_TRANS_SUBDIV_FLAG[3][3] = {
   { 224,  167,  122 },
@@ -255,6 +260,10 @@ void init_contexts(encoder_state *encoder_state, int8_t QP, int8_t slice)
     ctx_init(&cabac->ctx.qt_cbf_model_chroma[i], QP, INIT_QT_CBF[slice][i + 4]);
   }
 
+  for (i = 0; i < 5; i++) {
+    ctx_init(&cabac->ctx.inter_dir[i], QP, INIT_INTER_DIR[slice][i]);
+  }
+
   for (i = 0; i < 8; i++) {
     ctx_init(&cabac->ctx.cu_one_model_chroma[i], QP, INIT_ONE_FLAG[slice][i+16]);
   }