diff --git a/lib_dec/ivas_stereo_cng_dec.c b/lib_dec/ivas_stereo_cng_dec.c
index 6b8a8f949435c9e234e51f8e02128cb8ba4073de..8ec147ff7edf274f9e776c99924c186ac0e6a6c3 100644
--- a/lib_dec/ivas_stereo_cng_dec.c
+++ b/lib_dec/ivas_stereo_cng_dec.c
@@ -1368,8 +1368,8 @@ static void FindEmEs_fx(
         temp_q = 0;
         move16();
     }
-    log_res = BASOP_Util_Log2( square_res );
-    es_em_fx = Mpy_32_32( log_res, 1616107501 ); // 25+30-31
+    log_res = L_add( BASOP_Util_Log2( square_res ), L_shl( temp_q, Q25 ) );
+    es_em_fx = Mpy_32_32( log_res, 1616107501 /* 5 * (ln(2)/ln(10)) */ ); // 25+30-31
     /* long-term estimate */
     *lt_es_em_fx = L_add( Mpy_32_32( 858993459, *lt_es_em_fx ), Mpy_32_32( 1288490188, es_em_fx ) ); /* Q24 */
     move32();