diff --git a/config b/config
index 936ddad0..59e752a8 100755
--- a/config
+++ b/config
@@ -552,6 +552,9 @@ elif [ "$1" = "-c" ]; then
 		echo $callsign $2 $3 $4 $5 $6 $7 $8 $9 ${10} ${11}
 		echo $callsign $2 $3 $4 $5 $6 $7 $8 $9 ${10} ${11} > /home/pi/CubeSatSim/sim.cfg
 
+		sudo systemctl stop pacsatsim
+		sudo killall -9 java &>/dev/null
+
 		sudo sed -i 's/$oldcallsign/$callsign/g' /home/pi/pi_pacsat/Debug/pacsat.config 
 		sudo sed -i 's/callsign=$oldcallsign/callsign=$callsign/g' /home/pi/PacSatGround/PacSatGround.properties
 		sudo sed -i 's/$oldcallsign/$callsign/g' /home/pi/PacSatGround/spacecraft/PacSatSim.properties