diff --git a/lib_com/options.h b/lib_com/options.h
index 97244e0d16386e7f47f1c7156963696f4a4aef6c..79a89bc8c6a834e9a33a3de0e59cd9de3042526b 100644
--- a/lib_com/options.h
+++ b/lib_com/options.h
@@ -140,6 +140,7 @@
 #define NONBE_FIX_2493_EXTRACT_L_swb_tbe_enc_fx         /* FhG: Fix extract_l overflow inside swb_tbe_enc_fx() */
 #define NONBE_FIX_2493_EXTRACT_L_bw_detect_fx           /* FhG: Fix extract_l overflow inside bw_detect_fx(). Saturation, not a optimal fix. */
 #define FIX_2493_CHECK_EXTRACT_L_FIX_INSTRUMENTATION    /* FhG: Fix instrumentation related to extract_l. */
+#define FIX_BASOP_2655_MC2SBA_GATE                      /* FhG: BASOP #2655: replace the three NE_32 with EQ_32, in condition guarding the MC->SBA conversion(ivas_mc2sba_fx).  */
 
 /* ##################### End NON-BE switches ########################### */
 
diff --git a/lib_dec/ivas_dec_fx.c b/lib_dec/ivas_dec_fx.c
index e668248199381fba809d1880c60a5b9a12aa6d5b..2e5fb01f3744e98b3c31b0d8cd059484768eb0a8 100644
--- a/lib_dec/ivas_dec_fx.c
+++ b/lib_dec/ivas_dec_fx.c
@@ -704,7 +704,11 @@ ivas_error ivas_dec_fx(
             test();
             test();
             test();
+#ifdef FIX_BASOP_2655_MC2SBA_GATE
+            IF( NE_32( st_ivas->transport_config, st_ivas->intern_config ) && ( EQ_32( st_ivas->intern_config, IVAS_AUDIO_CONFIG_FOA ) || EQ_32( st_ivas->intern_config, IVAS_AUDIO_CONFIG_HOA2 ) || EQ_32( st_ivas->intern_config, IVAS_AUDIO_CONFIG_HOA3 ) ) )
+#else
             IF( NE_32( st_ivas->transport_config, st_ivas->intern_config ) && ( NE_32( st_ivas->intern_config, IVAS_AUDIO_CONFIG_FOA ) || NE_32( st_ivas->intern_config, IVAS_AUDIO_CONFIG_HOA2 ) || NE_32( st_ivas->intern_config, IVAS_AUDIO_CONFIG_HOA3 ) ) )
+#endif
             {
                 IF( GE_16( add( st_ivas->hTransSetup.nchan_out_woLFE, st_ivas->hTransSetup.num_lfe ), add( st_ivas->hIntSetup.nchan_out_woLFE, st_ivas->hIntSetup.num_lfe ) ) )
                 {