diff --git a/demo.sh b/demo.sh
index 67d4d182..9e606b73 100755
--- a/demo.sh
+++ b/demo.sh
@@ -4,6 +4,6 @@ echo -e "\nDemo of CubeSatSim sends CW telemetry once then AFSK continuously\n\n
 
 # /home/pi/CubeSatSim/radio.cw.once
 
-/home/pi/CubeSatSim/radioafsk
+/home/pi/CubeSatSim/radioafsk >> /home/pi/CubeSatSim/log.txt