diff --git a/config b/config
index 07a29287..8e0bec00 100755
--- a/config
+++ b/config
@@ -517,7 +517,7 @@ elif [ "$1" = "-F" ]; then
 		echo -e "\nCubeSatSim configuraation sim.cfg file updated to: \n"
 
 		echo $callsign $2 $3 $4 $5 $6 $7 $8
-		echo $callsign $2 $3 $4 $5 $6 $7 $8 > /home/pi/CubeSatSim/sim.cfg
+		echo $callsign $2 $3 $4 $5 $6 $tx $rx > /home/pi/CubeSatSim/sim.cfg
 	fi
 	
 #	if [ "$norestart" = "1" ]; then