diff --git a/lib_com/cnst.h b/lib_com/cnst.h
index 3787d63b81896cd24fd22e9c82e909a3b24b154a..d267362628989bb04ae1b46718b671c07f14750a 100644
--- a/lib_com/cnst.h
+++ b/lib_com/cnst.h
@@ -742,6 +742,10 @@ typedef enum
 #define GAIN_PRED_ORDER                     4                       /* Gain quantization - prediction order for gain quantizer (only for AMR-WB IO mode) */
 #define MEAN_ENER                           30                      /* Gain quantization - average innovation energy */
 
+#ifdef NONBE_FIX_1277_EVS_DTX_HIGH_RATE_THRESHOLD
+#define DTX_THR                             5                       /* DTX - lp_noise threshold for DTX at higher bitrates */
+#endif
+
 #define DTX_HIST_SIZE                       8                       /* CNG & DTX - number of last signal frames used for CNG averaging */
 #define CNG_ISF_FACT                        0.9f                    /* CNG & DTX - CNG spectral envelope smoothing factor */
 #define STEP_AMR_WB_SID                     2.625f                  /* CNG & DTX - CNG energy quantization step */
diff --git a/lib_enc/dtx.c b/lib_enc/dtx.c
index 4efa8e1f63c553a92f113e7b0e8697b1a514e485..15b1412d1c01b53277780c2119037fe9fc478d46 100644
--- a/lib_enc/dtx.c
+++ b/lib_enc/dtx.c
@@ -68,10 +68,8 @@
 
 #ifdef NONBE_FIX_1277_EVS_DTX_HIGH_RATE_THRESHOLD
 #define DTX_THR_EVS 15 /* lp_noise threshold for DTX at higher bitrates in EVS */ // ToDo: to be removed once EVS is CR fixed
-#define DTX_THR     5                                                             /* lp_noise threshold for DTX at higher bitrates */
 #endif
 
-
 /*-------------------------------------------------------------------*
  * Local function prototypes
  *-------------------------------------------------------------------*/
diff --git a/lib_enc/ivas_ism_dtx_enc.c b/lib_enc/ivas_ism_dtx_enc.c
index f253e335fc0197e221d469c4b12486a3450c0b0c..094c8dbbe9b7fd79520d53a1dfbbab9fdcb30c57 100644
--- a/lib_enc/ivas_ism_dtx_enc.c
+++ b/lib_enc/ivas_ism_dtx_enc.c
@@ -155,7 +155,11 @@ int16_t ivas_ism_dtx_enc(
             ( nchan_ism == 2 && ivas_total_brate <= IVAS_48k ) ||
             ( nchan_ism == 3 && ivas_total_brate <= IVAS_80k ) ||
             ( nchan_ism == 4 && ivas_total_brate <= IVAS_96k ) ||
+#ifdef NONBE_FIX_1277_EVS_DTX_HIGH_RATE_THRESHOLD
+            lp_noise_max < DTX_THR ) )
+#else
             lp_noise_max < 15 ) )
+#endif
     {
         dtx_flag = 0;
     }