diff --git a/Transceiver52M/ms/ms_rx_lower.cpp b/Transceiver52M/ms/ms_rx_lower.cpp
index 992591e9..4d6ce182 100644
--- a/Transceiver52M/ms/ms_rx_lower.cpp
+++ b/Transceiver52M/ms/ms_rx_lower.cpp
@@ -166,18 +166,16 @@ bool ms_trx::handle_sch(bool is_first_sch_acq)
 
 	int start;
 	memset((void *)&sch_acq_buffer[0], 0, sizeof(sch_acq_buffer));
+	convert_and_scale(which_out_buffer, which_in_buffer, buf_len * 2, 1.f / float(rxFullScale));
 	if (is_first_sch_acq) {
 		float max_corr = 0;
-		convert_and_scale(which_out_buffer, which_in_buffer, buf_len * 2, 1.f / float(rxFullScale));
 		start = get_sch_buffer_chan_imp_resp(ss, &channel_imp_resp[0], buf_len, &max_corr);
-		detect_burst(&ss[start], &channel_imp_resp[0], 0, sch_demod_bits);
 	} else {
-		convert_and_scale(which_out_buffer, which_in_buffer, buf_len * 2, 1.f / float(rxFullScale));
 		start = get_sch_chan_imp_resp(ss, &channel_imp_resp[0]);
 		start = start < 39 ? start : 39;
 		start = start > -39 ? start : -39;
-		detect_burst(&ss[start], &channel_imp_resp[0], 0, sch_demod_bits);
 	}
+	detect_burst(&ss[start], &channel_imp_resp[0], 0, sch_demod_bits);
 
 	SoftVector bitss(148);
 	for (int i = 0; i < 148; i++) {