diff --git a/apps/renderer.c b/apps/renderer.c
index a01cb40c231bec33e04a32d8b4d3ce0d544cd0de..b843a718b15f1c56af992d64b81b8491c14c98f8 100644
--- a/apps/renderer.c
+++ b/apps/renderer.c
@@ -1189,6 +1189,9 @@ int main(
     {
         masaIds[i] = 0u;
     }
+#ifdef NONBE_1377_REND_DIRATT_CONF
+    IVAS_REND_SetObjectIDs( hIvasRend );
+#endif
 
     for ( i = 0; i < args.inConfig.numMultiChannelBuses; ++i )
     {
diff --git a/lib_com/options.h b/lib_com/options.h
index 5971079660860676f3ab1b3a3a783961c4cc0327..0c4477f3524e554bfd8619cbbe14663cc483a767 100644
--- a/lib_com/options.h
+++ b/lib_com/options.h
@@ -168,6 +168,7 @@
 #define NONBE_FIX_1143_MASA_BRSW                        /* Nok: Fix for issue 1143: MSAN use of uninitialized value in masa decoding to binaural with dtx bitrate switching and 5 % FER */
 #define NONBE_FIX_1220_OMASA_JBM_EXT_USAN               /* Nokia: fix issue 1220 OMASA EXT JBM USAN, also fix similar cases of free to avoid future problems */
 #define NONBE_FIX_1376_MDCT_CONCEALMENT                 /* FhG: fix concealment artifact in MDCT Stereo with DTX, in case transition frame gets lost */
+#define NONBE_1377_REND_DIRATT_CONF                     /* Eri: Issue 1377: Error in directivity attenuation configuration for both IVAS_dec and IVAS_rend */
 
 /* #################### End BASOP porting switches ############################ */
 
diff --git a/lib_rend/ivas_objectRenderer.c b/lib_rend/ivas_objectRenderer.c
index 1b5a7d0493224bcf0d653b67f8a030c91f8efe59..879aa5e90fcf6dc2903ba71382346ddd38659bbc 100644
--- a/lib_rend/ivas_objectRenderer.c
+++ b/lib_rend/ivas_objectRenderer.c
@@ -518,13 +518,16 @@ ivas_error TDREND_Update_object_positions(
     const ISM_METADATA_HANDLE *hIsmMetaData            /* i  : Input metadata for ISM objects   */
 )
 {
+#ifndef NONBE_1377_REND_DIRATT_CONF
     TDREND_DirAtten_t *DirAtten_p;
+#endif
     int16_t nS;
     float Pos[3];
     float Dir[3];
     ivas_error error;
-
+#ifndef NONBE_1377_REND_DIRATT_CONF
     DirAtten_p = hBinRendererTd->DirAtten_p;
+#endif
 
     /* For each source, write the frame data to the source object*/
     for ( nS = 0; nS < num_src; nS++ )
@@ -541,10 +544,12 @@ ivas_error TDREND_Update_object_positions(
                 return error;
             }
 
+#ifndef NONBE_1377_REND_DIRATT_CONF
             if ( ( error = TDREND_MIX_SRC_SetDirAtten( hBinRendererTd, nS, DirAtten_p ) ) != IVAS_ERR_OK )
             {
                 return error;
             }
+#endif
 
             if ( hIsmMetaData[nS]->non_diegetic_flag )
             {
@@ -654,7 +659,13 @@ ivas_error ivas_td_binaural_open_ext(
     AUDIO_CONFIG inConfig,
     RENDER_CONFIG_DATA *hRendCfg, /* i  : Renderer configuration */
     LSSETUP_CUSTOM_STRUCT *customLsInput,
+#ifdef NONBE_1377_REND_DIRATT_CONF
+    const int32_t outFs,    /* i: output sampling rate */
+    const int16_t object_id /* i: Object ID */
+)
+#else
     const int32_t outFs )
+#endif
 {
     int16_t nchan_transport;
     AUDIO_CONFIG transport_config;
@@ -691,7 +702,11 @@ ivas_error ivas_td_binaural_open_ext(
 
     if ( NULL != hRendCfg )
     {
+#ifdef NONBE_1377_REND_DIRATT_CONF
+        directivity = hRendCfg->directivity + 3 * object_id;
+#else
         directivity = hRendCfg->directivity;
+#endif
         distAtt = hRendCfg->distAtt;
     }
 
diff --git a/lib_rend/ivas_prot_rend.h b/lib_rend/ivas_prot_rend.h
index 1e8ffa6bc9a248395faa3aa7de127de5b6715c90..6d6f0c141723f9f4fcb69d0b4eaeca7c5d5ea217 100644
--- a/lib_rend/ivas_prot_rend.h
+++ b/lib_rend/ivas_prot_rend.h
@@ -641,7 +641,12 @@ ivas_error ivas_td_binaural_open_ext(
     const AUDIO_CONFIG inConfig,
     RENDER_CONFIG_DATA *hRendCfg,                               /* i  : Renderer configuration                  */
     LSSETUP_CUSTOM_STRUCT *customLsInput,
+#ifdef NONBE_1377_REND_DIRATT_CONF
+    const int32_t output_Fs,                                    /* i: output sampling rate                      */
+    const int16_t object_id                                     /* i: Object ID                                 */
+#else
     const int32_t output_Fs 
+#endif
 );
 
 void ivas_td_binaural_close(
diff --git a/lib_rend/lib_rend.c b/lib_rend/lib_rend.c
index 68d5d45587947310d29272fe629699c22a7ce0e3..628421352a518481a370efdc58825a0cbe25c72a 100644
--- a/lib_rend/lib_rend.c
+++ b/lib_rend/lib_rend.c
@@ -119,6 +119,9 @@ typedef struct
     float nonDiegeticPanGain;
     OMASA_ANA_HANDLE hOMasa;
     uint16_t total_num_objects;
+#ifdef NONBE_1377_REND_DIRATT_CONF
+    int16_t object_id;
+#endif
     float ism_metadata_delay_ms;
 } input_ism;
 
@@ -1326,7 +1329,11 @@ static ivas_error setRendInputActiveIsm(
 
     if ( outConfig == IVAS_AUDIO_CONFIG_BINAURAL || outConfig == IVAS_AUDIO_CONFIG_BINAURAL_SPLIT_CODED || outConfig == IVAS_AUDIO_CONFIG_BINAURAL_SPLIT_PCM )
     {
+#ifdef NONBE_1377_REND_DIRATT_CONF
+        if ( ( error = ivas_td_binaural_open_ext( &inputIsm->tdRendWrapper, inConfig, hRendCfg, NULL, *rendCtx.pOutSampleRate, inputIsm->object_id ) ) != IVAS_ERR_OK )
+#else
         if ( ( error = ivas_td_binaural_open_ext( &inputIsm->tdRendWrapper, inConfig, hRendCfg, NULL, *rendCtx.pOutSampleRate ) ) != IVAS_ERR_OK )
+#endif
         {
             return error;
         }
@@ -1334,7 +1341,11 @@ static ivas_error setRendInputActiveIsm(
         /* Open TD renderer wrappers */
         for ( i = 0; i < MAX_HEAD_ROT_POSES - 1; ++i )
         {
+#ifdef NONBE_1377_REND_DIRATT_CONF
+            if ( ( error = ivas_td_binaural_open_ext( &inputIsm->splitTdRendWrappers[i], inConfig, hRendCfg, NULL, *inputIsm->base.ctx.pOutSampleRate, inputIsm->object_id ) ) != IVAS_ERR_OK )
+#else
             if ( ( error = ivas_td_binaural_open_ext( &inputIsm->splitTdRendWrappers[i], inConfig, hRendCfg, NULL, *inputIsm->base.ctx.pOutSampleRate ) ) != IVAS_ERR_OK )
+#endif
             {
                 return error;
             }
@@ -1352,7 +1363,11 @@ static ivas_error setRendInputActiveIsm(
     }
     else
     {
+#ifdef NONBE_1377_REND_DIRATT_CONF
+        if ( ( error = ivas_td_binaural_open_ext( &inputIsm->tdRendWrapper, inConfig, hRendCfg, NULL, *rendCtx.pOutSampleRate, inputIsm->object_id ) ) != IVAS_ERR_OK )
+#else
         if ( ( error = ivas_td_binaural_open_ext( &inputIsm->tdRendWrapper, inConfig, hRendCfg, NULL, *rendCtx.pOutSampleRate ) ) != IVAS_ERR_OK )
+#endif
         {
             return error;
         }
@@ -2107,7 +2122,11 @@ static ivas_error initMcBinauralRendering(
 
     if ( useTDRend && inputMc->tdRendWrapper.hBinRendererTd == NULL )
     {
+#ifdef NONBE_1377_REND_DIRATT_CONF
+        if ( ( error = ivas_td_binaural_open_ext( &inputMc->tdRendWrapper, inConfig, hRendCfg, &inputMc->customLsInput, outSampleRate, 0 ) ) != IVAS_ERR_OK )
+#else
         if ( ( error = ivas_td_binaural_open_ext( &inputMc->tdRendWrapper, inConfig, hRendCfg, &inputMc->customLsInput, outSampleRate ) ) != IVAS_ERR_OK )
+#endif
         {
             return error;
         }
@@ -2117,7 +2136,11 @@ static ivas_error initMcBinauralRendering(
             /* Open TD renderer wrappers */
             for ( i = 0; i < MAX_HEAD_ROT_POSES - 1; ++i )
             {
+#ifdef NONBE_1377_REND_DIRATT_CONF
+                if ( ( error = ivas_td_binaural_open_ext( &inputMc->splitTdRendWrappers[i], inConfig, hRendCfg, &inputMc->customLsInput, outSampleRate, 0 ) ) != IVAS_ERR_OK )
+#else
                 if ( ( error = ivas_td_binaural_open_ext( &inputMc->splitTdRendWrappers[i], inConfig, hRendCfg, &inputMc->customLsInput, outSampleRate ) ) != IVAS_ERR_OK )
+#endif
                 {
                     return error;
                 }
@@ -3595,6 +3618,34 @@ ivas_error IVAS_REND_ConfigureCustomInputLoudspeakerLayout(
     return IVAS_ERR_OK;
 }
 
+#ifdef NONBE_1377_REND_DIRATT_CONF
+/*-------------------------------------------------------------------*
+ * IVAS_REND_SetObjectIDs()
+ *
+ *
+ *-------------------------------------------------------------------*/
+
+ivas_error IVAS_REND_SetObjectIDs(
+    IVAS_REND_HANDLE hIvasRend /* i/o: Renderer handle            */
+)
+{
+    int16_t i;
+
+    /* Validate function arguments */
+    if ( hIvasRend == NULL )
+    {
+        return IVAS_ERR_UNEXPECTED_NULL_POINTER;
+    }
+
+    for ( i = 0; i < RENDERER_MAX_ISM_INPUTS; i++ )
+    {
+        hIvasRend->inputsIsm[i].object_id = i;
+    }
+
+    return IVAS_ERR_OK;
+}
+#endif
+
 
 /*-------------------------------------------------------------------*
  * IVAS_REND_SetInputGain()
diff --git a/lib_rend/lib_rend.h b/lib_rend/lib_rend.h
index 8e3353b1b88f0530fa0d10a8a81f724fee97fe44..463e1a88220f98460ebcbdb8158a957c1e575cd6 100644
--- a/lib_rend/lib_rend.h
+++ b/lib_rend/lib_rend.h
@@ -145,6 +145,12 @@ ivas_error IVAS_REND_ConfigureCustomInputLoudspeakerLayout(
     const IVAS_CUSTOM_LS_DATA layout                /* i  : custom loudspeaker layout for input                 */
 );
 
+#ifdef NONBE_1377_REND_DIRATT_CONF
+ivas_error IVAS_REND_SetObjectIDs(
+    IVAS_REND_HANDLE hIvasRend                      /* i/o: Renderer handle                                     */
+);
+#endif
+
 ivas_error IVAS_REND_SetInputGain(
     IVAS_REND_HANDLE hIvasRend,                     /* i/o: Renderer handle                                     */
     const IVAS_REND_InputId inputId,                /* i  : ID of the input                                     */