diff --git a/lib_dec/gaus_dec_fx.c b/lib_dec/gaus_dec_fx.c
index a7806e274b81e466b06aebc029f9c57a15aa41a6..5221e14f4f914d7ef26359bce198e0390c8e4801 100644
--- a/lib_dec/gaus_dec_fx.c
+++ b/lib_dec/gaus_dec_fx.c
@@ -65,7 +65,7 @@ void gaus_dec_fx(
     L_tmp = Dot_product12( code, code, L_SUBFR, &exp );
     exp = sub( exp, 18 /*24*/ + 6 ); /* exp: -18 (code in Q9), -6 (/L_SUBFR) */
     L_tmp = Isqrt_lc( L_tmp, &exp );
-    *inv_gain_inov = extract_h( L_shl( L_tmp, sub( exp, 3 ) ) ); /* inv_gain_inov in Q12 */
+    *inv_gain_inov = extract_h( L_shl_sat( L_tmp, sub( exp, 3 ) ) ); /* inv_gain_inov in Q12 */
     move16();
 
     nb_bits = st_fx->acelp_cfg.gains_mode[shr( i_subfr, 6 )];