diff --git a/sbitx_gtk.c b/sbitx_gtk.c
index ce66249c..7d973998 100644
--- a/sbitx_gtk.c
+++ b/sbitx_gtk.c
@@ -2327,7 +2327,7 @@ void set_operating_freq(int dial_freq, char *response){
 	}
 	else if (!strcmp(split->value, "ON")){
 		if (!in_tx)
-			sprintf(freq_request, "r1:freq=%s", vfo_b->value);
+			sprintf(freq_request, "r1:freq=%s", vfo_a->value);
 		else
 			sprintf(freq_request, "r1:freq=%d", dial_freq);
 	}