diff --git a/node/main/main.ino b/node/main/main.ino
index 3ad3ba8..b195e8f 100644
--- a/node/main/main.ino
+++ b/node/main/main.ino
@@ -27,10 +27,6 @@ void setup() {
 	time = millis();
 }
 
-void send_data();
-void manage_discover();
-void manage_message();
-
 void loop() {
 
 	/* [1] If SEND_TIMEOUT reached -> send data */
@@ -89,7 +85,7 @@ void manage_discover(){
 	screen.printfn(0, "dsc[ %3d / %3d ]", recv.getDist(), recv.getWave());
 
 	// update features
-	if( !myself.update(recv.getWave(), recv.getDist()) ){
+	if( !myself.update(recv.getDist(), recv.getWave()) ){
 		screen.printfn(1, "x               ");
 		return;
 	}