diff --git a/lib_com/rom_com.c b/lib_com/rom_com.c
index e6f392ff052447fc041550bd5066810d4361e86b..03eae8a5ada00e2d6b569ac4fce886752aa6c5f7 100644
--- a/lib_com/rom_com.c
+++ b/lib_com/rom_com.c
@@ -22050,27 +22050,8 @@ const Word32 sigma_BWE_fx[] = {//Q31
 40792208 }; /* for 3 bits first stage */
 
 
-const Word16 inv_modified_sigma_BWE_fx[] = {//Q1
-  259,
-254,
-267,
-266,
-293,
-315,
-598,
-622,
-288,
-288,
-297,
-297,
-319,
-346,
-598,
-622
-};
-
-const Word16 modified_sigma_BWE_fx[] =//Q(log2(2.56)
-{ 323,
+const Word16 inv_modified_sigma_BWE_fx[] = {//x2.56
+323,
 329,
 313,
 314,
@@ -22085,8 +22066,27 @@ const Word16 modified_sigma_BWE_fx[] =//Q(log2(2.56)
 262,
 242,
 140,
-134 };
+134
+};
 
+const Word16 modified_sigma_BWE_fx[] =//Q15
+{  259,
+254,
+267,
+266,
+293,
+315,
+598,
+622,
+288,
+288,
+297,
+297,
+319,
+346,
+598,
+622 };
+ 
 
 const Word16 SHB_LSF_mean_fx[10] = {//Q15
 1353, 2646, 4046,