diff --git a/lib_enc/swb_pre_proc_fx.c b/lib_enc/swb_pre_proc_fx.c
index 3e013815ece82120f479c1aa0c806a9882502e2c..26ad0a4a54873605e5796fd6d4edf9b51244d058 100644
--- a/lib_enc/swb_pre_proc_fx.c
+++ b/lib_enc/swb_pre_proc_fx.c
@@ -384,7 +384,7 @@ void wb_pre_proc_ivas_fx(
             {
                 IF( EQ_32( st_fx->input_Fs, 16000 ) )
                 {
-                    flip_spectrum_and_decimby4_fx( new_inp_resamp16k, hb_speech, L_FRAME16k, hBWE_TD->decim_state1_fx, hBWE_TD->decim_state2_fx, ramp_flag );
+                    flip_spectrum_and_decimby4_fx( temp_buf, hb_speech, L_FRAME16k, hBWE_TD->decim_state1_fx, hBWE_TD->decim_state2_fx, ramp_flag );
                 }
                 ELSE
                 {