diff --git a/lib_rend/ivas_dirac_dec_binaural_functions_fx.c b/lib_rend/ivas_dirac_dec_binaural_functions_fx.c
index b0077d223c57a96feb56fb3f124b364f9ac8d98b..65d8976acbe4b5a14a8c6f8bcf7b200a812cef5d 100644
--- a/lib_rend/ivas_dirac_dec_binaural_functions_fx.c
+++ b/lib_rend/ivas_dirac_dec_binaural_functions_fx.c
@@ -1454,12 +1454,14 @@ static void ivas_dirac_dec_binaural_formulate_input_covariance_matrices_fx(
                 temp64 = W_add( W_mult0_32_32( tempRe, tempRe ), W_mult0_32_32( tempIm, tempIm ) ); // 2q
                 exp1 = W_norm( temp64 );
                 temp64 = W_shl( temp64, exp1 ); // 2q + exp1
-                subFrameSumEne_fx[bin] = BASOP_Util_Add_Mant32Exp( subFrameSumEne_fx[bin], subFrameTotalEne_e[bin], W_extract_h( temp64 ), sub( exp /* 63 - 2q */, exp1 ) /*31 - (2q + exp1 - 32)*/, &subFrameTotalEne_e[bin] );
+                subFrameSumEne_fx[bin] = BASOP_Util_Add_Mant32Exp( subFrameSumEne_fx[bin], subFrameSumEne_e[bin], W_extract_h( temp64 ), sub( exp /* 63 - 2q */, exp1 ) /*31 - (2q + exp1 - 32)*/, &subFrameSumEne_e[bin] );
                 move32();
             }
         }
         FOR( bin = 0; bin < nBins; bin++ )
         {
+            subFrameTotalEne_e[bin] = sub( subFrameTotalEne_e[bin], 1 );
+            move16();
             temp = L_shl_sat( subFrameTotalEne_fx[bin], sub( subFrameTotalEne_e[bin], subFrameSumEne_e[bin] ) ); // subFrameSumEne_e[bin]
             IF( GT_32( subFrameSumEne_fx[bin], temp ) )
             {