diff --git a/lib_com/options.h b/lib_com/options.h
index 67aafdc6e4e7355554213a24725719086dfba9c1..dacfa6096041dce379ab23462aaa4d730d2b77ed 100755
--- a/lib_com/options.h
+++ b/lib_com/options.h
@@ -112,6 +112,7 @@
 #define NONBE_FIX_1063_DIV_BY_ZERO_SUMNRG               /* VoiceAge: issue 1063: division by zero for angle_rot feature in the UNCLR classifier */
 #define FIX_1060_USAN_ARRAY_BOUNDS                      /* FhG: issue 1060: USAN array-bounds errors */
 #define NONBE_FIX_SBA_SIGNALING_BITS_B                  /* FhG: issue 1061: option B: signal sba order additionally in OSBA */
+#define NONBE_FIX_1045_ISM_BITRATE_SWITCHING            /* Eri: Difference between ROM/File HRTF in ISM bitrate switching */
 
 /* #################### End BASOP porting switches ############################ */
 
diff --git a/lib_dec/ivas_ism_dec_fx.c b/lib_dec/ivas_ism_dec_fx.c
index ec5a19a5db5a11e7aa94b69da1cfc055b757741b..febc6af54fd452401629ebdd1b61bb330a426da9 100644
--- a/lib_dec/ivas_ism_dec_fx.c
+++ b/lib_dec/ivas_ism_dec_fx.c
@@ -278,6 +278,14 @@ static ivas_error ivas_ism_bitrate_switching_dec_fx(
             }
 
             /* Close the TD Binaural renderer */
+#ifdef NONBE_FIX_1045_ISM_BITRATE_SWITCHING
+            ivas_td_binaural_close_fx( &st_ivas->hBinRendererTd );
+
+            IF( EQ_32( st_ivas->hOutSetup.output_config, IVAS_AUDIO_CONFIG_BINAURAL_ROOM_REVERB ) )
+            {
+                ivas_reverb_close( &st_ivas->hReverb );
+            }
+#else
             IF( st_ivas->hBinRendererTd->HrFiltSet_p->ModelParams.modelROM == TRUE )
             {
                 ivas_td_binaural_close_fx( &st_ivas->hBinRendererTd );
@@ -288,6 +296,7 @@ static ivas_error ivas_ism_bitrate_switching_dec_fx(
                     ivas_reverb_close( &st_ivas->hReverb );
                 }
             }
+#endif
         }
         ELSE
         {
diff --git a/lib_dec/ivas_mct_dec_fx.c b/lib_dec/ivas_mct_dec_fx.c
index a18e9c0f93dfdf7df0e15269ecf50bc41403b1e2..67978cd0ce8bc437d193a4d92b14ea0f1506e013 100644
--- a/lib_dec/ivas_mct_dec_fx.c
+++ b/lib_dec/ivas_mct_dec_fx.c
@@ -1436,11 +1436,15 @@ static ivas_error ivas_mc_dec_reconfig_fx(
             test();
             IF( st_ivas->hBinRendererTd != NULL && ( NE_16( st_ivas->renderer_type, RENDERER_BINAURAL_OBJECTS_TD ) ) )
             {
+#ifdef NONBE_FIX_1045_ISM_BITRATE_SWITCHING
+                ivas_td_binaural_close_fx( &st_ivas->hBinRendererTd );
+#else
                 IF( EQ_16( st_ivas->hBinRendererTd->HrFiltSet_p->ModelParams.modelROM, TRUE ) )
                 {
                     ivas_td_binaural_close_fx( &st_ivas->hBinRendererTd );
                     st_ivas->hHrtfTD = NULL;
                 }
+#endif
             }
 
             IF( st_ivas->hDiracDecBin[0] != NULL )
diff --git a/lib_dec/ivas_omasa_dec_fx.c b/lib_dec/ivas_omasa_dec_fx.c
index 08da97c579c9c82258ee831cf3e36d1df0956187..c01fda7d76ef06d8d4595578bf9de82a893135e5 100644
--- a/lib_dec/ivas_omasa_dec_fx.c
+++ b/lib_dec/ivas_omasa_dec_fx.c
@@ -715,6 +715,13 @@ ivas_error ivas_omasa_dec_config_fx(
     }
     ELSE
     {
+#ifdef NONBE_FIX_1045_ISM_BITRATE_SWITCHING
+        if ( st_ivas->hBinRendererTd != NULL )
+        {
+            /* TD renderer handle */
+            ivas_td_binaural_close_fx( &st_ivas->hBinRendererTd );
+        }
+#else
         /* TD renderer handle */
         test();
         IF( st_ivas->hBinRendererTd != NULL && EQ_16( st_ivas->hBinRendererTd->HrFiltSet_p->ModelParams.modelROM, TRUE ) )
@@ -723,7 +730,7 @@ ivas_error ivas_omasa_dec_config_fx(
 
             st_ivas->hHrtfTD = NULL;
         }
-
+#endif
         /* ISM renderer handle + ISM data handle */
         ivas_omasa_separate_object_renderer_close( st_ivas );
     }
diff --git a/lib_dec/ivas_sba_dec_fx.c b/lib_dec/ivas_sba_dec_fx.c
index 744c9c14e3b721f1544eec74d3117d91d2f60cef..b817893f22954ab4f363ad03c0b4d0d3af3e3f92 100644
--- a/lib_dec/ivas_sba_dec_fx.c
+++ b/lib_dec/ivas_sba_dec_fx.c
@@ -595,11 +595,15 @@ ivas_error ivas_sba_dec_reconfigure_fx(
             /* Time Domain binaural renderer handle */
             IF( st_ivas->hBinRendererTd != NULL )
             {
+#ifdef NONBE_FIX_1045_ISM_BITRATE_SWITCHING
+                ivas_td_binaural_close_fx( &st_ivas->hBinRendererTd );
+#else
                 IF( st_ivas->hBinRendererTd->HrFiltSet_p->ModelParams.modelROM == TRUE )
                 {
                     ivas_td_binaural_close_fx( &st_ivas->hBinRendererTd );
                     st_ivas->hHrtfTD = NULL;
                 }
+#endif
             }
             nchan_transport_old = add( nchan_transport_old, st_ivas->nchan_ism ); /*Q0*/
             st_ivas->ism_mode = ISM_MODE_NONE;