diff --git a/lib_dec/ivas_mct_dec.c b/lib_dec/ivas_mct_dec.c
index 88605f83763d5febd686726ce74fcfa48cfd3de6..42d82f995e666e0a70178c6c46d0aff742322a1d 100644
--- a/lib_dec/ivas_mct_dec.c
+++ b/lib_dec/ivas_mct_dec.c
@@ -628,7 +628,7 @@ ivas_error ivas_mct_dec_fx(
         }
 
         /* synthesis synchronization between stereo modes */
-        IF( EQ_16( st_ivas->sba_dirac_stereo_flag, 0 ) || ( EQ_16( st_ivas->ivas_format, SBA_ISM_FORMAT ) && LE_16( cpe_id, sub( nCPE, 2 ) ) ) )
+        IF( EQ_16( st_ivas->sba_dirac_stereo_flag, 0 ) || ( EQ_16( st_ivas->ivas_format, SBA_ISM_FORMAT ) && LT_16( cpe_id, sub( nCPE, 2 ) ) ) )
         {
             synchro_synthesis_fx( ivas_total_brate, hCPE, output_fx + cpe_id * CPE_CHANNELS, output_frame, 0 );
         }