diff --git a/Transceiver52M/osmo-trx.cpp b/Transceiver52M/osmo-trx.cpp
index ac9cc48..29f0488 100644
--- a/Transceiver52M/osmo-trx.cpp
+++ b/Transceiver52M/osmo-trx.cpp
@@ -284,7 +284,8 @@
 	trx = new Transceiver(config->port, config->addr.c_str(),
 			      config->tx_sps, config->rx_sps, config->chans,
 			      GSM::Time(3,0), radio, config->rssi_offset);
-	if (!trx->init(config->filler, config->rtsc, config->rach_delay)) {
+	if (!trx->init(config->filler, config->rtsc,
+		       config->rach_delay, config->edge)) {
 		LOG(ALERT) << "Failed to initialize transceiver";
 		delete trx;
 		return NULL;
@@ -422,7 +423,6 @@
 			break;
 		case 'e':
 			config->edge = true;
-			config->rx_sps = 4;
 			break;
 		default:
 			print_help();