diff --git a/lib_enc/bw_detect_fx.c b/lib_enc/bw_detect_fx.c
index 30382cfba9df016d62da7dc0d24794892869db48..050adbf01b0bf0adf22621c85d3fae5fa0974647 100644
--- a/lib_enc/bw_detect_fx.c
+++ b/lib_enc/bw_detect_fx.c
@@ -48,7 +48,7 @@ void bw_detect_fx(
     const Word16 mct_on,             /* i  : flag MCT mode           */
     const Word16 Q_spec )
 {
-    Word16 Q_dct;
+    Word16 Q_dct, E_spect_bin, tmp_1;
     Word16 i, j, k, bw_max, bin_width, n_bins;
     Word16 max_NB, max_WB, max_SWB, max_FB, mean_NB, mean_WB, mean_SWB, mean_FB; /* Q11*/
     const Word16 *pt, *pt1;
@@ -324,6 +324,7 @@ void bw_detect_fx(
 
             set16_fx( spect_bin, 1, n_bins );
             Q_dct = shl( Q_dct, 1 );
+            E_spect_bin = sub( Q31, Q_dct );
 
             FOR( k = 0; k <= bw_max; k++ )
             {
@@ -336,9 +337,9 @@ void bw_detect_fx(
                         sum32 = L_mac0_o( sum32, *pt1, *pt1, &Overflow );
                         pt1++;
                     }
+                    tmp_1 = BASOP_Util_Cmp_Mant32Exp( sum32, E_spect_bin, MAX_32, Q31 - 41 ); /* Any sum32 in Q_dct if it is less than MAX_32 in Q41 will be less than 0.001 */
                     test();
-                    test();
-                    IF( st->element_mode != EVS_MONO && EQ_32( sum32, MAX_32 ) && GT_16( Q_dct, 41 ) /* Any Q-value greater than Q41 for MAX_32 will be less than 0.001*/ )
+                    IF( st->element_mode != EVS_MONO && tmp_1 < 0 )
                     {
                         spect_bin[i] = -6144; /* log10f( 0.00100000005 ) in Q11 */
                         move16();