diff --git a/apps/renderer.c b/apps/renderer.c
index d9e20dc3e685e512b7a6a17bcf9d06d972177977..e57df6db7883c6ca05b2416781b2d37c4b5dce6a 100644
--- a/apps/renderer.c
+++ b/apps/renderer.c
@@ -70,6 +70,10 @@
 #define IVAS_MAX16B_FLT 32767.0f
 #define IVAS_MIN16B_FLT ( -32768.0f )
 
+#ifdef NONBE_1359_FIX_IVASREND_OMASA_BINAURAL_LOUDNESS
+#define OMASA_TDREND_MATCHING_GAIN_DB ( -2.0f )
+#endif
+
 #if !defined( DEBUGGING ) && !defined( WMOPS )
 static
 #endif
@@ -1170,20 +1174,39 @@ int main(
         }
     }
 
+#ifndef NONBE_1359_FIX_IVASREND_OMASA_BINAURAL_LOUDNESS
     /* Set the total number of objects */
+#endif
     if ( args.inConfig.numAudioObjects > 0 )
     {
+#ifdef NONBE_1359_FIX_IVASREND_OMASA_BINAURAL_LOUDNESS
+        /* Set the total number of objects */
+#endif
         if ( ( error = IVAS_REND_SetTotalNumberOfObjects( hIvasRend, args.inConfig.numAudioObjects ) ) != IVAS_ERR_OK )
         {
             fprintf( stderr, "\nError in IVAS_REND_SetTotalNumberOfObjects(): %s\n", ivas_error_to_string( error ) );
             goto cleanup;
         }
 
+#ifdef NONBE_1359_FIX_IVASREND_OMASA_BINAURAL_LOUDNESS
+        /* Set the metadata delay for objects */
+#endif
         if ( ( error = IVAS_REND_SetIsmMetadataDelay( hIvasRend, args.syncMdDelay ) ) != IVAS_ERR_OK )
         {
             fprintf( stderr, "\nError in IVAS_REND_SetIsmMetadataDelay(): %s\n", ivas_error_to_string( error ) );
             goto cleanup;
         }
+#ifdef NONBE_1359_FIX_IVASREND_OMASA_BINAURAL_LOUDNESS
+
+        /* For OMASA input and BINAURAL output, apply a gain to objects to match the loudness with MASA part */
+        if ( args.inConfig.numMasaBuses > 0 && args.outConfig.audioConfig == IVAS_AUDIO_CONFIG_BINAURAL )
+        {
+            for ( i = 0; i < args.inConfig.numAudioObjects; ++i )
+            {
+                args.inConfig.audioObjects[i].gain_dB += OMASA_TDREND_MATCHING_GAIN_DB;
+            }
+        }
+#endif
     }
 
     IVAS_REND_LfePanMtx lfePanMatrix;
diff --git a/lib_com/options.h b/lib_com/options.h
index 13e6a86960393e0056f85a16500bf0b692afb00a..292e6e0c80a49aabffc5babceaee11f37455782e 100644
--- a/lib_com/options.h
+++ b/lib_com/options.h
@@ -189,6 +189,7 @@
 #define FIX_1370_EXTERNAL_ORIENTATION_CHECK             /* Nokia: add sanity check for Euler angles for external orientations */
 #define FIX_1413_IGF_INIT_PRINTOUT                      /* FhG: use correct variable for IGF initiliazation */
 #define CODE_IMPROVEMENTS
+#define NONBE_1359_FIX_IVASREND_OMASA_BINAURAL_LOUDNESS /* Nokia: issue 1339: Apply scaling to the object-part of OMASA for binaural rendering in IVAS_rend. */
 
 
 // object-editing feature porting