diff --git a/lib_com/options.h b/lib_com/options.h
index dccc11cf17282a074448861f9cd38c1a667720da..31ece548c65344582f04e83e319a50f6ef84fa06 100755
--- a/lib_com/options.h
+++ b/lib_com/options.h
@@ -220,6 +220,7 @@
 
 #define FIX_483                                         /* FhG: fix issue 483, division by zero in nois_est */
 #define FIX_483b                                        /* FhG: fix issue 483, uninitialized values in ivas_mct_core_enc */
+#define FIX_170_DTX_MASA                                /* Nokia: Fix issue 170, relaxing the use of DTX in MASA format */
 
                                                         /* ################## End DEVELOPMENT switches ######################### */
 /* clang-format on */
diff --git a/lib_enc/lib_enc.c b/lib_enc/lib_enc.c
index 2e56f384ecdd454a487230261a65c53636a620ae..62610838a5fe705cc38959a6e945ab3a5e623bb1 100755
--- a/lib_enc/lib_enc.c
+++ b/lib_enc/lib_enc.c
@@ -895,11 +895,18 @@ static ivas_error configureEncoder(
         return IVAS_ERROR( IVAS_ERR_INVALID_SAMPLING_RATE, "8kHz input sampling rate is not supported in IVAS." );
     }
 
+#ifdef FIX_170_DTX_MASA
+    if ( hEncoderConfig->Opt_DTX_ON && hEncoderConfig->ivas_format != MONO_FORMAT &&
+         ( ( hEncoderConfig->ivas_format == SBA_FORMAT && ivas_get_sba_num_TCs( hEncoderConfig->ivas_total_brate, 1 ) > 2 ) || // ToDo: support for 3+ TCs to be done
+           hEncoderConfig->ivas_format == MC_FORMAT                                                                            // ToDo: TBD
+           ) )
+#else
     if ( hEncoderConfig->Opt_DTX_ON && hEncoderConfig->ivas_format != MONO_FORMAT &&
          ( ( hEncoderConfig->ivas_format == MASA_FORMAT && hEncoderConfig->ivas_total_brate > IVAS_128k ) ||                   // ToDo: remove the bitrate limitation
            ( hEncoderConfig->ivas_format == SBA_FORMAT && ivas_get_sba_num_TCs( hEncoderConfig->ivas_total_brate, 1 ) > 2 ) || // ToDo: support for 3+ TCs to be done
            hEncoderConfig->ivas_format == MC_FORMAT                                                                            // ToDo: TBD
            ) )
+#endif
     {
         return IVAS_ERROR( IVAS_ERR_DTX_NOT_SUPPORTED, "DTX is not supported in this IVAS format and element mode." );
     }