diff --git a/lib_dec/ivas_mc_paramupmix_dec.c b/lib_dec/ivas_mc_paramupmix_dec.c
index 246e81643a1061e6ab5aa54461d3c597afd10eb2..240dae544ce199467ae6ccea44c756ffc3a9f825 100644
--- a/lib_dec/ivas_mc_paramupmix_dec.c
+++ b/lib_dec/ivas_mc_paramupmix_dec.c
@@ -685,7 +685,7 @@ static void ps_pred_process_sf(
 
             res_a = L_shl_sat( Mpy_32_32( alpha_smp_fx, vmim_fx ), Q31 - Q28 );
             res_b = L_shl_sat( Mpy_32_32( beta_smp_fx, vsim_fx ), Q31 - Q28 );
-            qmf_side_re_fx[ismp][iqmf] = L_add_sat( res_a, res_b );
+            qmf_side_im_fx[ismp][iqmf] = L_add_sat( res_a, res_b );
 
             ismp = add( ismp, 1 );
         }