diff --git a/lib_dec/ivas_mc_param_dec.c b/lib_dec/ivas_mc_param_dec.c
index e3d8bf0c034ff19afd08dd299334be9c128ad9f5..4175d15def0080ebd3dd76978dc5135a43141db3 100644
--- a/lib_dec/ivas_mc_param_dec.c
+++ b/lib_dec/ivas_mc_param_dec.c
@@ -2037,7 +2037,6 @@ void ivas_param_mc_dec_render_fx(
                                                     &hParamMC->Cldfb_ImagBuffer_tc_fx[hParamMC->slots_rendered * nchan_transport * hParamMC->num_freq_bands],
                                                     hParamMC->proto_frame_f_fx, hParamMC->diff_proto_info,
                                                     hParamMC->num_freq_bands );
-                Scale_sig32( hParamMC->proto_frame_f_fx, shl( imult1616( hParamMC->diff_proto_info->num_protos_diff, hParamMC->num_freq_bands ), 1 ), Q11 - Q5 );
                 /*-----------------------------------------------------------------*
                  * frequency domain decorrelation
                  *-----------------------------------------------------------------*/
@@ -2049,7 +2048,7 @@ void ivas_param_mc_dec_render_fx(
                                                   DIRAC_SYNTHESIS_COV_MC_LS,
                                                   nchan_transport,
                                                   hParamMC->proto_frame_f_fx,
-                                                  11,
+                                                  Q5,
                                                   hParamMC->diff_proto_info->num_protos_diff,
                                                   hParamMC->diff_proto_info->proto_index_diff,
                                                   hParamMC->proto_frame_dec_f_fx, // output