diff --git a/lib_dec/FEC_HQ_phase_ecu_fx.c b/lib_dec/FEC_HQ_phase_ecu_fx.c
index 37512ea8a6893092ed41f2aa2f9f6886edd78d2f..778cc9ec32f89c906664ed647da71139c172ffd3 100644
--- a/lib_dec/FEC_HQ_phase_ecu_fx.c
+++ b/lib_dec/FEC_HQ_phase_ecu_fx.c
@@ -1591,7 +1591,7 @@ static void ivas_spec_ana_fx(
         IF( n > 0 && *pPlocs == 0 ) /* Very 1st peak position possible to have a peak at 0/DC index position. */
         {
 #ifdef FIX_ISSUE_1237
-            Copy_Scale_sig_16_32_no_sat( &xfp[*pPlocs], xfp_32, 3, Q16 ); // Q + 16
+            Copy_Scale_sig_16_32_no_sat( &xfp[*pPlocs], xfp_32, 3, Q15 ); // Q + 16
 #else
             Copy_Scale_sig_16_32_DEPREC( &xfp[*pPlocs], xfp_32, 3, Q16 );           // Q + 16
 #endif
@@ -1606,7 +1606,7 @@ static void ivas_spec_ana_fx(
         IF( n > 0 && EQ_16( *pPlocs, 1 ) ) /* Also 2nd peak position uses DC which makes jacobsen unsuitable. */
         {
 #ifdef FIX_ISSUE_1237
-            Copy_Scale_sig_16_32_no_sat( &xfp[*pPlocs - 1], xfp_32, 3, Q16 ); // Q + 16
+            Copy_Scale_sig_16_32_no_sat( &xfp[*pPlocs - 1], xfp_32, 3, Q15 ); // Q + 16
 #else
             Copy_Scale_sig_16_32_DEPREC( &xfp[*pPlocs - 1], xfp_32, 3, Q16 );       // Q + 16
 #endif
@@ -1656,7 +1656,7 @@ static void ivas_spec_ana_fx(
             IF( EQ_16( currPlocs, ( sub( Lprot2_1, DELTA_CORR_F0_INT ) ) ) ) /* Also 2nd last peak position uses fs/2  which makes jacobsen less suitable. */
             {
 #ifdef FIX_ISSUE_1237
-                Copy_Scale_sig_16_32_no_sat( &xfp[currPlocs - 1], xfp_32, 3, Q16 ); // Q + 16
+                Copy_Scale_sig_16_32_no_sat( &xfp[currPlocs - 1], xfp_32, 3, Q15 ); // Q + 16
 #else
                 Copy_Scale_sig_16_32_DEPREC( &xfp[currPlocs - 1], xfp_32, 3, Q16 ); // Q + 16
 #endif
@@ -1674,7 +1674,7 @@ static void ivas_spec_ana_fx(
             IF( n > 0 ) /* fs/2 which makes special case . */
             {
 #ifdef FIX_ISSUE_1237
-                Copy_Scale_sig_16_32_no_sat( &xfp[currPlocs - 2], xfp_32, 3, Q16 ); // Q + 16
+                Copy_Scale_sig_16_32_no_sat( &xfp[currPlocs - 2], xfp_32, 3, Q15 ); // Q + 16
 #else
                 Copy_Scale_sig_16_32_DEPREC( &xfp[currPlocs - 2], xfp_32, 3, Q16 ); // Q + 16
 #endif