diff --git a/lib_com/bitstream.c b/lib_com/bitstream.c
index babb9f3e0e68062ab27a37ea298370d6ad31ea89..9dd281928367fb0c7dbd5fbaf2ef48c49ab859d3 100644
--- a/lib_com/bitstream.c
+++ b/lib_com/bitstream.c
@@ -2624,9 +2624,11 @@ ivas_error preview_indices(
             case SID_ISM:
                 st_ivas->ivas_format = ISM_FORMAT;
                 break;
+#ifndef FIX_1209_SID_SIGNALING
             case SID_MULTICHANNEL:
                 st_ivas->ivas_format = MC_FORMAT;
                 break;
+#endif
             case SID_SBA_1TC:
                 st_ivas->ivas_format = SBA_FORMAT;
                 st_ivas->element_mode_init = IVAS_SCE;
@@ -2651,7 +2653,9 @@ ivas_error preview_indices(
                 }
                 break;
             default:
+#ifndef FIX_1209_SID_SIGNALING
                 /* This should actually be impossible, since only 3 bits are read, so if this happens something is broken */
+#endif
                 return IVAS_ERROR( IVAS_ERR_INTERNAL_FATAL, "Invalid value %c found in SID format field.", st_ivas->sid_format );
         }
     }