diff --git a/lib_dec/er_dec_acelp_fx.c b/lib_dec/er_dec_acelp_fx.c
index e30553d388e32c0a53b2b903aa763b120af22ab0..b6e5f31711327a47d27ed1fcb85c40249c4addf1 100644
--- a/lib_dec/er_dec_acelp_fx.c
+++ b/lib_dec/er_dec_acelp_fx.c
@@ -557,7 +557,7 @@ void con_acelp_fx(
     tmp_32 = Mpy_32_16_1( st->Mode2_lp_gainc /*Q16*/, alpha /*Q14*/ ); /*Q31-16 = Q15*/
     s_32 = norm_l( tmp_32 );
     tmp_32 = L_shl( tmp_32, s_32 );
-    tmp_16 = round_fx( tmp_32 );
+    tmp_16 = round_fx_sat( tmp_32 );
     s_16 = negate( s_32 );
     s_16 = sub( s_16, -1 - 15 ); /*->Q15*/