diff --git a/lib_enc/ivas_mc_param_enc_fx.c b/lib_enc/ivas_mc_param_enc_fx.c
index 92cd33e2fc931684a72aa706351119bd78995fdb..54fe249cd015aa323eb56b86b1f8b3f43b053f72 100644
--- a/lib_enc/ivas_mc_param_enc_fx.c
+++ b/lib_enc/ivas_mc_param_enc_fx.c
@@ -1422,8 +1422,21 @@ static void ivas_param_mc_quantize_ilds_fx(
         dmx_ener_fx = BASOP_Util_Add_Mant32Exp( dmx_ener_fx, dmx_ener_e, Cx_fx[k][k], Cx_e[k][k], &dmx_ener_e );
     }
     /*ener_fac = 10.0f * log10f( ( tot_ener + EPSILON ) / ( dmx_ener + EPSILON ) )*/
-    tot_ener_fx = BASOP_Util_Add_Mant32Exp( tot_ener_fx, tot_ener_e, EPSILON_FX, 0, &tot_ener_e );
-    dmx_ener_fx = BASOP_Util_Add_Mant32Exp( dmx_ener_fx, dmx_ener_e, EPSILON_FX, 0, &dmx_ener_e );
+    IF( tot_ener_fx == 0 )
+    {
+        tot_ener_fx = 9223; // 1e-15(EPSILON) in Q63
+        tot_ener_e = -32;
+        move32();
+        move16();
+    }
+    IF( dmx_ener_fx == 0 )
+    {
+        dmx_ener_fx = 9223; // 1e-15(EPSILON) in Q63
+        dmx_ener_e = -32;
+        move32();
+        move16();
+    }
+
     L_tmp = L_deposit_h( BASOP_Util_Divide3232_Scale( tot_ener_fx, dmx_ener_fx, &tmp_e ) );
     tmp_e = add( sub( tot_ener_e, dmx_ener_e ), tmp_e );
     ener_fac_fx = BASOP_Util_Log10( L_tmp, tmp_e );     // Q25